Kreyszig, E. (1978). Introductory functional analysis with applications. John Wiley & Sons.
शिकागो स्टाइल उद्धरणKreyszig, Erwin. Introductory Functional Analysis with Applications. London: John Wiley & Sons, 1978.
एमएलए उद्धरणKreyszig, Erwin. Introductory Functional Analysis with Applications. John Wiley & Sons, 1978.
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