Παραπομπή APA

Egorov, Y., & Shubin, M. A. (1998). Foundations of the classical theory of partial differential equations. Springer.

Παραπομπή Chicago Style

Egorov, Yu.V, και M. A. Shubin. Foundations of the Classical Theory of Partial Differential Equations. Berlin ; New York: Springer, 1998.

Παραπομπή MLA

Egorov, Yu.V, και M. A. Shubin. Foundations of the Classical Theory of Partial Differential Equations. Springer, 1998.