Zeidler, E. (1985). Nonlinear functional analysis and its applications. New York: Springer-Verlag.
शिकागो स्टाइल उद्धरणZeidler, Eberhard. Nonlinear Functional Analysis and Its Applications. New York: Springer-Verlag, 1985.
एमएलए उद्धरणZeidler, Eberhard. Nonlinear Functional Analysis and Its Applications. New York: Springer-Verlag, 1985.
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