Παραπομπή APA

O'Regan, D. (1997). Existence theory for nolinear ordinary differential equations. Dordrecht: Kluwer Academic Publishers.

Παραπομπή Chicago Style

O'Regan, Donal. Existence Theory for Nolinear Ordinary Differential Equations. Dordrecht: Kluwer Academic Publishers, 1997.

Παραπομπή MLA

O'Regan, Donal. Existence Theory for Nolinear Ordinary Differential Equations. Dordrecht: Kluwer Academic Publishers, 1997.

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