APA aipamena

Laventev, M. (1969). Variational methods for boundary value problems of elliptic equations. P. Noordhoff Ltd.

Chicago Style aipamena

Laventev, M. Variational Methods for Boundary Value Problems of Elliptic Equations. Groninge: P. Noordhoff Ltd, 1969.

MLA aipamena

Laventev, M. Variational Methods for Boundary Value Problems of Elliptic Equations. P. Noordhoff Ltd, 1969.

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