TY - JOUR AU - A. G. Baskakov TI - Some conditions for the invertibility of linear differential and difference operators JO - Doklady Akademii Nauk PY - 1993 SP - 282 EP - 284 VL - 333 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_333_3_a1/ LA - ru ID - DAN_1993_333_3_a1 ER -