Rao, K. S. (2006). Introduction to Partial Differential Equations (2nd ed.). Prentice Hall of India.
Chicago-viite (17. p.)Rao, K. Sankara. Introduction to Partial Differential Equations. 2nd ed. New Delhi: Prentice Hall of India, 2006.
MLA-viite (9. p.)Rao, K. Sankara. Introduction to Partial Differential Equations. 2nd ed. Prentice Hall of India, 2006.
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