Metlyaev Yu K

Publications in Math-Net.Ru

1. A qualitative investigation of certain differential equations
   
   Differ. Uravn., 8:3 (1972),  543–544
2. The use of operators that have certain properties in qualitative investigations of differential equations
   
   Differ. Uravn., 6:11 (1970),  1976–1981
3. The periodic solutions of a certain differential equation
   
   Differ. Uravn., 6:10 (1970),  1824–1830