APA (7th ed.) Citation

Petrovskij, I. G. (1991). Lectures on partial differential equations ([Unabridged and unaltered republ. of the 4. print.].). Dover.

Chicago Style (17th ed.) Citation

Petrovskij, Ivan G. Lectures on Partial Differential Equations. [Unabridged and unaltered republ. of the 4. print.]. New York: Dover, 1991.

MLA (9th ed.) Citation

Petrovskij, Ivan G. Lectures on Partial Differential Equations. [Unabridged and unaltered republ. of the 4. print.]. Dover, 1991.