TY - JOUR AU - O. V. Epifanov TI - An infinite-order differential operator with constant coefficients JO - Doklady Akademii Nauk PY - 1986 SP - 33 EP - 35 VL - 289 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_289_1_a6/ LA - ru ID - DAN_1986_289_1_a6 ER -