SpringerLink (Online service), Arendt, W., & Nagel, R. (1986). One-parameter semigroups of positive operators. Springer-Verlag.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Wolfgang Arendt, and R. Nagel. One-parameter Semigroups of Positive Operators. Berlin ; New York: Springer-Verlag, 1986.
MLA (9th ed.) CitationSpringerLink (Online service), et al. One-parameter Semigroups of Positive Operators. Springer-Verlag, 1986.
Warning: These citations may not always be 100% accurate.