Simmons, G. F. (1972). Differential equations: With applications and historical notes. McGraw-Hill.
Citación estilo ChicagoSimmons, George Finlay. Differential Equations: With Applications and Historical Notes. New York: McGraw-Hill, 1972.
Cita MLASimmons, George Finlay. Differential Equations: With Applications and Historical Notes. New York: McGraw-Hill, 1972.
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