Cita APA

Petrovskii, I. G. (1954). Lectures on partial differential equations Interscience Publishers.

Citación estilo Chicago

Petrovskii, I. G. Lectures On Partial Differential Equations. 1st English ed. New York: Interscience Publishers, 1954.

Cita MLA

Petrovskii, I. G. Lectures On Partial Differential Equations. 1st English ed. New York: Interscience Publishers, 1954.

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