APA (7th ed.) Citation

Petrovsky, F. G. (1954). Lectures on partial differential equations. s.n.

Chicago Style (17th ed.) Citation

Petrovsky, F. G. Lectures on Partial Differential Equations. S.l: s.n, 1954.

MLA (9th ed.) Citation

Petrovsky, F. G. Lectures on Partial Differential Equations. s.n, 1954.

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