APA Edition Citation

Elsgolts, L. (1970). Differential equations and the calculus of variations. Mir.

Chicago Edition Citation

Elsgolts, L. Differential Equations and the Calculus of Variations. Moscow: Mir, 1970.

MLA Edition Citation

Elsgolts, L. Differential Equations and the Calculus of Variations. Mir, 1970.

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