TY - JOUR AU - A. A. Kuzmina TI - An optimal system of finite-dimensional subalgebras of the Lie algebra allowed by the heat equation JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2004 SP - 88 EP - 98 VL - 7 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2004_7_2_a7/ LA - ru ID - SJIM_2004_7_2_a7 ER -