Bear, H. S. (1962). Differential equations. Addison-Wesley Pub. Co.
Citación estilo ChicagoBear, Herbert Stanley. Differential Equations. Reading, Mass: Addison-Wesley Pub. Co, 1962.
Cita MLABear, Herbert Stanley. Differential Equations. Addison-Wesley Pub. Co, 1962.
Warning: These citations may not always be 100% accurate.