1. Great leader and scientist (on the 100th anniversary of V. I. Lenin's birthday)

   Announcement Pages: 125 - 126

2. On the theory of the Hammerstein equation

   • P. P. Zabreiko
   • A. I. Povolotskii

   OriginalPaper Pages: 127 - 138

3. On the spectrum of a system of differential equations

   • N. M. Kostenko

   OriginalPaper Pages: 139 - 147

4. Locally compact Abelian groups of finite rank

   • Z. I. Moskalenko

   OriginalPaper Pages: 148 - 154

5. On the theory of linear multidimensional differential equations with periodic coefficients

   • A. I. Perov
   • V. G. Zadorozhnii

   OriginalPaper Pages: 155 - 160

6. On the problem of uniformly approximate replacement of a curved arc by circular arcs

   • E. Ya. Remez
   • S. S. Levin

   OriginalPaper Pages: 161 - 172

7. Some problems associated with the boundedness of solutions

   • V. P. Skripnik

   OriginalPaper Pages: 173 - 182

8. On oscillations with multiple periods in nonlinear systems

   • É. I. Smolyar

   OriginalPaper Pages: 183 - 189

9. On the theory of polycyclic groups

   • V. P. Shunkov

   OriginalPaper Pages: 190 - 199

10. Approximate solution of the problem of jet flow past an arc of a curve

    • P. D. Karpenko

    Brief Communications Pages: 200 - 203

11. Weakened axiom of local commutativity

    • V. D. Koshmanenko

    Brief Communications Pages: 204 - 209

12. Periodic solutions of nonautonomous quasilinear systems with delay in the case of multiple roots of the amplitude equations

    • V. V. Misak

    Brief Communications Pages: 210 - 213

13. Representing positive-definite generalized kernels in terms of eigenfunctions of partial differential expressions

    • Nguen tkhi Tam Bak

    Brief Communications Pages: 214 - 217

14. Approximate solutions of certain nonlinear integral equations

    • L. P. Peklova

    Brief Communications Pages: 218 - 220

15. On a method for obtaining asymptotic formulas for an extremal sequence of regular monotonic polynomials

    • G. A. Sogomonova

    Brief Communications Pages: 221 - 224

16. Existence theorems for the solutions of integro-differential equations with a deviating argument dependent on the solution

    • L. G. Fedorenko

    Brief Communications Pages: 225 - 229

17. The rate of convergence of (C, 1)-means of orthogonal series

    • É. A. Storozhenko
    • Yu. M. Shmandin

    Brief Communications Pages: 230 - 239

18. Defense of dissertations at the academic council of the Institute of Mathematics, Academy of Sciences of the USSR, 1968–1969

    • I. G. Kozubovskaya

    Chronicles Pages: 240 - 249

19. New elections to the Mathematics, Mechanics, and Cybernetics Branch of the Academy of Sciences of the Ukrainian SSR

    • A. V. Moskalyuk

    Chronicles Pages: 250 - 251