Zakharov S A

Publications in Math-Net.Ru

1. The number of solutions of the equation $ax_1x_2+bx_3x_4=N$
   
   Mat. Zametki, 49:5 (1991),  151–152
2. Analytic continuation of a Dirichlet series
   
   Mat. Zametki, 42:5 (1987),  625–630