Lefschetz, S. (1977). Differential equations: Geometric theory (2a. ed.). Dover Publications Inc.
Citación estilo ChicagoLefschetz, Solomon. Differential Equations: Geometric Theory. 2a. ed. Nueva York: Dover Publications Inc, 1977.
Cita MLALefschetz, Solomon. Differential Equations: Geometric Theory. 2a. ed. Dover Publications Inc, 1977.
Warning: These citations may not always be 100% accurate.