Lushnikova Z M

Publications in Math-Net.Ru

1. On the variation of the region of monotonicity
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1959, no. 6,  96–101
2. The monotonicity of the solution of some system of differential equations
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1958, no. 2,  210–218