Alekseenko M I

Publications in Math-Net.Ru

1. On the question of the unique solvability of a linear periodic boundary value problem
   
   Differ. Uravn., 9:2 (1973),  203–210
2. A function of the boundary value conditions and estimation of the Green's function of a periodic problem
   
   Differ. Uravn., 7:7 (1971),  1158–1170