Trefilov Valerian Vladimirovich

Publications in Math-Net.Ru

1. On a system of basis functions for linear differential equations
   
   Differ. Uravn., 30:12 (1994),  2186–2187


2. Letter to the editors: “On a system of basis functions for linear differential equations” [Differentsial'nye Uravneniya 30 (1994), no. 12, 2186–2187, 2208, (1995); MR1383728]
   
   Differ. Uravn., 31:11 (1995),  1939