Krupnova N I

Publications in Math-Net.Ru

1. The instability of the solutions of linear systems of differential equations with lag
   
   Differ. Uravn., 8:11 (1972),  1963–1968
2. On the question of the stability of the solutions of linear systems of differential equations with lag
   
   Differ. Uravn., 8:10 (1972),  1889–1891