TY - JOUR AU - I. N. Bogaenko AU - M. V. Boychuk TI - Questions concerning the improvement of the convergence of series in the solution of second-order equations of parabolic type JO - Differencialʹnye uravneniâ PY - 1983 SP - 694 EP - 697 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_4_a20/ LA - ru ID - DE_1983_19_4_a20 ER -