TY - JOUR AU - V. I. Burenkov TI - Infinite differentiability and analyticity of solutions decreasing at infinity of equations with constant coefficients JO - Doklady Akademii Nauk PY - 1967 SP - 1007 EP - 1010 VL - 174 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_174_5_a2/ LA - ru ID - DAN_1967_174_5_a2 ER -