Team, O. U. E. M. f. S. a. T. C. (1972). Second order differential equations. Bletchley, Bucks : Open University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTeam, Open University. Elementary Mathematics for Science and Technology Course. Second Order Differential Equations. Bletchley, Bucks : Open University Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTeam, Open University. Elementary Mathematics for Science and Technology Course. Second Order Differential Equations. Bletchley, Bucks : Open University Press, 1972.
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