1971/19/4

Non-principal divisors among the values of polynomials

Primitive representation of a binary quadratic form as a sum of four squares

Polynomial values with small prime divisors

On the speed of convergence of the Oppenheim series

On the simultaneous diophantine approximation of values of certain algebraic functions

О представлении чисел положительными тернарными диагональными квадратичными формами, II

Algebraic number fields with the principal ideal condition