Fedoryuk, M. V. (1999). Partial differential equations V: Asymptotic methods for partial differential equations. Berlin: Springer.
Παραπομπή Chicago StyleFedoryuk, M. V. Partial Differential Equations V: Asymptotic Methods for Partial Differential Equations. Berlin: Springer, 1999.
Παραπομπή MLAFedoryuk, M. V. Partial Differential Equations V: Asymptotic Methods for Partial Differential Equations. Berlin: Springer, 1999.
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