Tohutoro APA (7th ed.)

Hopf, L. (1948). Introduction to the differential equations of physics. Dover.

Tohutoru Kātū Chicago (17th ed.)

Hopf, L. Introduction to the Differential Equations of Physics. Nueva York: Dover, 1948.

Tohutoro MLA (9th ed.)

Hopf, L. Introduction to the Differential Equations of Physics. Dover, 1948.