Cita APA (7th ed.)

Sobolev, S. L. (1964). Partial differential equations of mathematical physics. Pergamon Press.

Cita Chicago (17th ed.)

Sobolev, Sergei Lvovich. Partial Differential Equations of Mathematical Physics. Oxford: Pergamon Press, 1964.

Cita MLA (9th ed.)

Sobolev, Sergei Lvovich. Partial Differential Equations of Mathematical Physics. Pergamon Press, 1964.