@article{TMF_1995_105_3_a1,
     author = {N. A. Dar'in},
     title = {Algebra of symmetry operators for an invariant nonlinear-transport equation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {364--370},
     year = {1995},
     volume = {105},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1995_105_3_a1/}
}