Sanchez, D. A., Allen, R. C., & Kyner, W. T. (1988). Differential Equations. Reading, Massachusetts: Addison-Wesley.
शिकागो स्टाइल उद्धरणSanchez, David A., Richard C. Allen, और Walter T. Kyner. Differential Equations. Reading, Massachusetts: Addison-Wesley, 1988.
एमएलए उद्धरणSanchez, David A., Richard C. Allen, और Walter T. Kyner. Differential Equations. Reading, Massachusetts: Addison-Wesley, 1988.
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