Berg, C., Christensen, J. P., & Ressel, P. (1984). Harmonic analysis on semigroups: Theory of positive definite and related functions. Springer.
Chicago Style (17. basım) AtıfBerg, Christian, Jens Peter Christensen, ve Paul Ressel. Harmonic Analysis on Semigroups: Theory of Positive Definite and Related Functions. Nueva York: Springer, 1984.
MLA (9th ed.) AtıfBerg, Christian, et al. Harmonic Analysis on Semigroups: Theory of Positive Definite and Related Functions. Springer, 1984.
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