Ovsyannikov, L. V., & Ibragimov, N. H. (2013). Lectures on the theory of group properties of differential equations. Singapore: World Scientific Publishing Company.
استشهاد بنمط شيكاغوOvsyannikov, L. V., و Nail H. Ibragimov. Lectures On the Theory of Group Properties of Differential Equations. Singapore: World Scientific Publishing Company, 2013.
MLA استشهادOvsyannikov, L. V., و Nail H. Ibragimov. Lectures On the Theory of Group Properties of Differential Equations. Singapore: World Scientific Publishing Company, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.