El'sgol'c, L. E. (1968). Differential equations (2. print.). Gordon & Breach.
Chicago Style (17th ed.) CitationEl'sgol'c, Lev E. Differential Equations. 2. print. New York [u.a.]: Gordon & Breach, 1968.
MLA (9th ed.) CitationEl'sgol'c, Lev E. Differential Equations. 2. print. Gordon & Breach, 1968.
Warning: These citations may not always be 100% accurate.