Ovsiannikov, L. V. (1982). Group analysis of differential equations. Academic Press.
Style de citation ChicagoOvsiannikov, L V. Group Analysis of Differential Equations. New York: Academic Press, 1982.
Style de citation MLAOvsiannikov, L V. Group Analysis of Differential Equations. Academic Press, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.