Molchanov N N

Publications in Math-Net.Ru

1. A proof of the existence of an integrating factor in the neighborhood of a singular point
   
   Mat. Sb. (N.S.), 47(89):3 (1959),  265–270
2. Investigation of solutions of the differential equation $\frac{dy}{dx}=\frac{Y(x,y)}{X(x,y)}$, where $Y(x,y)$, $X(x,y)$ are rational polynomials in the real variables $x$, $y$ in the neighborhood of a singular point
   
   Uspekhi Mat. Nauk, 13:6(84) (1958),  105–110
3. The use of the theory of continuous groups of transformations in investigating the solutions of ordinary differential equations
   
   Dokl. Akad. Nauk SSSR, 112:6 (1957),  998–1001