@article{1183550902,
author = {Hermann, Robert},
title = {Review: L. V. Ovsiannikov, Group analysis of differential equations},
journal = {Bull. Amer. Math. Soc. (N.S.)},
volume = {8},
number = {3},
year = {1983},
pages = { 508-510},
language = {en},
url = {http://dml.mathdoc.fr/item/1183550902}
}
Hermann, Robert. Review: L. V. Ovsiannikov, Group analysis of differential equations. Bull. Amer. Math. Soc. (N.S.), Tome 8 (1983) no. 3, pp. 508-510. http://gdmltest.u-ga.fr/item/1183550902/