A counterexample to the Hasse principle for a system of two quadratic forms in five variables V. A. Iskovskikh OriginalPaper Pages: 575 - 577
Lucas's criterion for the primality of numbers of the form N = h2n−1 S. B. Stechkin OriginalPaper Pages: 578 - 584
Infinite-order differential equations with analytic solutions A. F. Leont'ev OriginalPaper Pages: 585 - 590
Hilbert's boundary-value problem (with coefficients from the Wiener ring) for matrix-valued functions analytic in the unit disk A. L. Lukov OriginalPaper Pages: 591 - 596
An example of a function which is Denjoy integrable but not khinchin summable V. S. Shul'man OriginalPaper Pages: 601 - 604
Operators, absolutely indefinitely bounded below, in spaces with indefinite metric V. A. Senderov OriginalPaper Pages: 605 - 607
The existence of solutions of generalized differential equations A. F. Filippov OriginalPaper Pages: 608 - 611
Isometric immersions of a Euclidean plane in Lobachevskii space Yu. A. VolkovS. M. Vladimirova OriginalPaper Pages: 619 - 622
Nonrigidity of certain composite surfaces of revolution I. Ivanova-Karatopraklieva OriginalPaper Pages: 623 - 629
Generalization of the problem of the number of partitions of a finite set B. I. Selivanov OriginalPaper Pages: 639 - 642