Petrovskini, I. G. (1967). Partial differential equations. Saunders College Publishing.
Chicago Style (17th ed.) CitationPetrovskini, I. G. Partial Differential Equations. Philadelphia: Saunders College Publishing, 1967.
MLA (9th ed.) CitationPetrovskini, I. G. Partial Differential Equations. Saunders College Publishing, 1967.
Warning: These citations may not always be 100% accurate.