Style de citation APA

Kumar, R., & Kumar,Nagendra. (2013). Differential equations and calculus of variations. CBS.

Style de citation Chicago

Kumar, Rakesh, et Kumar,Nagendra. Differential Equations and Calculus of Variations. New Delhi: CBS, 2013.

Style de citation MLA

Kumar, Rakesh, et Kumar,Nagendra. Differential Equations and Calculus of Variations. CBS, 2013.

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