Petrovskii, I. G. ;. Partial Differential Equations. W. B. Saunders Company, Philadelphia, 1967.
Chicago Style CitationPetrovskii, I. G.. Partial Differential Equations. W. B. Saunders Company, Philadelphia, 1967.
MLA CitationPetrovskii, I. G.. Partial Differential Equations. W. B. Saunders Company, Philadelphia, 1967.
Warning: These citations may not always be 100% accurate.