APA (7th ed.) Citation

Ovsiannikov, L. V. (1982). Group analysis of differential equations. Academic Press.

Chicago Style (17th ed.) Citation

Ovsiannikov, Lev Vasilevich. Group Analysis of Differential Equations. Nueva York: Academic Press, 1982.

MLA (9th ed.) Citation

Ovsiannikov, Lev Vasilevich. Group Analysis of Differential Equations. Academic Press, 1982.