Παραπομπή APA

Gilbarg, D., & Trudinger, N. S. (2001). Elliptic partial differential equations of second order (2nd ed., rev. 3rd printing.). New York: Springer.

Παραπομπή Chicago Style

Gilbarg, David, και Neil S. Trudinger. Elliptic Partial Differential Equations of Second Order. 2nd ed., rev. 3rd printing. New York: Springer, 2001.

Παραπομπή MLA

Gilbarg, David, και Neil S. Trudinger. Elliptic Partial Differential Equations of Second Order. 2nd ed., rev. 3rd printing. New York: Springer, 2001.

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