TY - JOUR AU - A. T. Taldykin TI - The orthogonal expansion of a function of two arguments, and the solutions of certain equations JO - Differencialʹnye uravneniâ PY - 1974 SP - 1111 EP - 1116 VL - 10 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1974_10_6_a13/ LA - ru ID - DE_1974_10_6_a13 ER -