TY - JOUR AU - L. A. Lepin TI - Eigenfunction spectra for nonlinear heat equation in media with various density distributions JO - Matematičeskoe modelirovanie PY - 1989 SP - 150 EP - 159 VL - 1 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1989_1_1_a12/ LA - ru ID - MM_1989_1_1_a12 ER -