APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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