Sharma, B. D. (2018). Differential equations. Kedar Nathram Nath.
Chicago-čujuhus (17. p.)Sharma, B. D. Differential Equations. New Delhi: Kedar Nathram Nath, 2018.
MLA-čujuhus (9. p.)Sharma, B. D. Differential Equations. Kedar Nathram Nath, 2018.
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