APA
Courant, . (19890419). Methods Of Mathematical Physics - Differential Equations V 2. : Wiley.
Chicago
Courant, . 19890419. Methods Of Mathematical Physics - Differential Equations V 2. : Wiley.
Harvard
Courant, . (19890419). Methods Of Mathematical Physics - Differential Equations V 2. : Wiley.
MLA
Courant, . Methods Of Mathematical Physics - Differential Equations V 2. : Wiley. 19890419.