Epstein, B. (1962). Partial differential equations: :an introducion. Tata Mc Graw - Hill.
शिकागो स्टाइल उद्धरणEpstein, Bernard. Partial Differential Equations: :an Introducion. Mumbai: Tata Mc Graw - Hill, 1962.
एमएलए उद्धरणEpstein, Bernard. Partial Differential Equations: :an Introducion. Tata Mc Graw - Hill, 1962.
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