Lawden, D. F. (1967). Introduction to tensor calculus and relativity. Methuew.
शिकागो स्टाइल उद्धरणLawden, Derek F. Introduction to Tensor Calculus and Relativity. London: Methuew, 1967.
एमएलए उद्धरणLawden, Derek F. Introduction to Tensor Calculus and Relativity. Methuew, 1967.
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