Zeidler, E. H. (1990). Nonlinear functional analysis and its applications. Springer Verlag.
Lua i Stíl Chicago (17ú heag.)Zeidler, Eberhard H. Nonlinear Functional Analysis and Its Applications. New York: Springer Verlag, 1990.
Lua MLA (9ú heag.)Zeidler, Eberhard H. Nonlinear Functional Analysis and Its Applications. Springer Verlag, 1990.
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