TY - JOUR AU - N. Ya. Beznoshchenko TI - Existence of a solution of problems of determining coefficients multiplying the highest derivatives of parabolic equations JO - Differencialʹnye uravneniâ PY - 1982 SP - 996 EP - 1000 VL - 18 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_6_a7/ LA - ru ID - DE_1982_18_6_a7 ER -