1. Best quadrature formulas for a class of differentiable periodic functions

   • T. N. Busarova

   OriginalPaper Pages: 227 - 235

2. Towards a theory of two-dimensional integral equations with partial integrals

   • V. A. Kakichev
   • N. V. Kovalenko

   OriginalPaper Pages: 236 - 245

3. Bose-Einstein and Fermi-Dirac systems and reduced density matrices with nonzero boundary conditions

   • K. S. Matviichuk

   OriginalPaper Pages: 246 - 254

4. Functions of airy and Fresnel type as limiting laws for convolutions of functions of bounded variation

   • Yu. M. Orban
   • Yu. P. Studnev

   OriginalPaper Pages: 255 - 262

5. On a nonstationary problem with a free surface

   • B. V. Bazalii

   Brief Communications Pages: 263 - 266

6. Integration of some ordinary differential equations on the basis of the approximation of continuous functions by linear functions

   • I. I. Bezvershenko

   Brief Communications Pages: 267 - 273

7. Convex approximation of a controlled process and a method of synthesizing generalized optimal regimes

   • I. V. Beiko
   • M. F. Beiko

   Brief Communications Pages: 274 - 276

8. Uniqueness of the solution of a nonlinear problem

   • V. A. Bogatyrev

   Brief Communications Pages: 277 - 281

9. On n-dimensional commutative formal groups over the ring of integers of a field ofp-adic numbers

   • N. M. Glazunov

   Brief Communications Pages: 282 - 284

10. On the stability of the solutions of second order differential equations with periodic coefficients

    • F. M. Dannan

    Brief Communications Pages: 285 - 291

11. Application of the method of averaging to investigate essentially nonlinear systems excited by instantaneous forces

    • B. I. Dzyra

    Brief Communications Pages: 292 - 297

12. Approximation of functions of two variables by positive linear operators in the L_p metric

    • Z. V. Zaritskaya

    Brief Communications Pages: 298 - 302

13. Theorems on isomorphisms for elliptic systems with boundary conditions which are not normal

    • I. A. Kovalenko

    Brief Communications Pages: 303 - 307

14. Example of a locally commutative operator field

    • V. D. Koshmanenko

    Brief Communications Pages: 308 - 310

15. The integration of a nonlinear mixed boundary value problem in partial derivatives

    • V. L. Kul'chitskii

    Brief Communications Pages: 311 - 314

16. On operator and integral inequalities

    • N. S. Kurpel'
    • B. A. Shuvar

    Brief Communications Pages: 315 - 318

17. Solution and stability of a system of two linear homogeneous first order differential equations with variable coefficients

    • G. A. Los'

    Brief Communications Pages: 319 - 327

18. The distribution of certain functionals of processes with semiindependent increments

    • T. I. Nasirova
    • A. V. Skorokhod

    Brief Communications Pages: 328 - 333

19. Boundary value problems for a multiplicatively generated quasidifferential operator

    • V. Ya. Sikiryavyi

    Brief Communications Pages: 334 - 337

20. On the stability of solutions of linear functional—Differential equations with random perturbations of the parameters

    • V. E. Slyusarchuk
    • E. F. Tsar'kov
    • V. K. Yasinskii

    Brief Communications Pages: 338 - 343

21. Criteria for the polynomials of best approximation in the spaces L_p,1 and L_1,q

    • G. S. Smirnov

    Brief Communications Pages: 344 - 347

22. Multiplicative stochastic integrals with operator coefficients

    • N. I. Teterina

    Brief Communications Pages: 348 - 352

23. The role of mathematics in scientific and technological progress. Some results of the Ukrainian Scientific Conference in Kiev, January 23–25, 1973

    • I. G. Kozubovskaya
    • V. N. Shevelo

    Chronicles Pages: 353 - 357