APA aipamena

Schafer, P. (1988). Maximum principles and eigenvalue problems in partial differential equations. Longman.

Chicago Style aipamena

Schafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.

MLA aipamena

Schafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.

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