APA (7th ed.) Citation

Smirnov, M. M. (1966). Second-order partial differential equations. Noordhoff.

Chicago Style (17th ed.) Citation

Smirnov, Modest M. Second-order Partial Differential Equations. Groningen: Noordhoff, 1966.

MLA (9th ed.) Citation

Smirnov, Modest M. Second-order Partial Differential Equations. Noordhoff, 1966.

Warning: These citations may not always be 100% accurate.