TY - JOUR AU - L. A. Lepin TI - Countable spectrum of the eigenfunctions of the nonlinear heat equation with distributed parameters JO - Differencialʹnye uravneniâ PY - 1988 SP - 1226 EP - 1234 VL - 24 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_7_a16/ LA - ru ID - DE_1988_24_7_a16 ER -