Sharma, B. D. (1999). Differential Equations (15th ed.). Kedar Nath Ram Nath.
Chicago Style (17. basım) AtıfSharma, Bhu Dev. Differential Equations. 15th ed. Meerut: Kedar Nath Ram Nath, 1999.
MLA (9th ed.) AtıfSharma, Bhu Dev. Differential Equations. 15th ed. Kedar Nath Ram Nath, 1999.
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