Ovsyannikov, L. V., & Ibragimov, N. H. (2013). Lectures on the theory of group properties of differential equations. Singapore: World Scientific Publishing Company.
Trích dẫn kiểu ChicagoOvsyannikov, L. V., và Nail H. Ibragimov. Lectures On the Theory of Group Properties of Differential Equations. Singapore: World Scientific Publishing Company, 2013.
MLA CitationOvsyannikov, L. V., và Nail H. Ibragimov. Lectures On the Theory of Group Properties of Differential Equations. Singapore: World Scientific Publishing Company, 2013.
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