Παραπομπή APA

Tung, K., & Chou, K. S. (1991). Nonlinear partial differential equations of second order. Providence, RI.: American Mathematical Society.

Παραπομπή Chicago Style

Tung, Kuang-ch'ang, and Kai Seng Chou. Nonlinear Partial Differential Equations of Second Order. Providence, RI.: American Mathematical Society, 1991.

Παραπομπή MLA

Tung, Kuang-ch'ang, and Kai Seng Chou. Nonlinear Partial Differential Equations of Second Order. Providence, RI.: American Mathematical Society, 1991.

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