TY - JOUR AU - A. K. Ratyni TI - Determination of the constant coefficient of the heat equation JO - Differencialʹnye uravneniâ PY - 1983 SP - 1928 EP - 1937 VL - 19 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_11_a14/ LA - ru ID - DE_1983_19_11_a14 ER -