Satskaya N S

Publications in Math-Net.Ru

1. On a differential equation with a small parameter
   
   Mat. Sb. (N.S.), 60(102):4 (1963),  499–505
2. On the solution of a first-order differential equation with small parameter, not solved in terms of the derivative
   
   Mat. Sb. (N.S.), 57(99):4 (1962),  517–526