TY - JOUR AU - A. Yu. Levin TI - The Fredholm equation with smooth kernel and boundary-value problems for a linear differential equation JO - Doklady Akademii Nauk PY - 1964 SP - 13 EP - 16 VL - 159 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_159_1_a1/ LA - ru ID - DAN_1964_159_1_a1 ER -