Gilbert, R. P. (1969). Function theoretic methods in partial differential equations. Academic Press.
शिकागो स्टाइल उद्धरणGilbert, Robert P. Function Theoretic Methods in Partial Differential Equations. New York: Academic Press, 1969.
एमएलए उद्धरणGilbert, Robert P. Function Theoretic Methods in Partial Differential Equations. Academic Press, 1969.
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