@article{SJIM_2004_7_2_a7,
     author = {A. A. Kuzmina},
     title = {An optimal system of finite-dimensional subalgebras of the {Lie} algebra allowed by the heat equation},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {88--98},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2004_7_2_a7/}
}