Ford, L. R. (1955). Differential equations (2a. ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationFord, Lester R. Differential Equations. 2a. ed. Nueva York: McGraw-Hill, 1955.
MLA (9th ed.) CitationFord, Lester R. Differential Equations. 2a. ed. McGraw-Hill, 1955.
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