Simmons, G. F. (1974). Differential equations (1st.). TMH.
Citación estilo ChicagoSimmons, George F. Differential Equations. 1st. New Delhi: TMH, 1974.
Cita MLASimmons, George F. Differential Equations. 1st. TMH, 1974.
Warning: These citations may not always be 100% accurate.