Ruderfer Vladimir Isaakovich

Publications in Math-Net.Ru

1. On the zeros of solutions of a linear analytic partial differential equation of arbitrary order
   
   Mat. Sb. (N.S.), 109(151):3(7) (1979),  432–439
2. A priori estimates for the solution of the Cauchy problem for a partial differential equation and a system of such equations with coefficients which are nonanalytic in the distinguished variable
   
   Dokl. Akad. Nauk SSSR, 240:4 (1978),  782–785
3. On the zeros of the solutions of a class of analytic systems
   
   Mat. Sb. (N.S.), 106(148):4(8) (1978),  544–553