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- eBookLectures on Boolean AlgebrasPaul R. Halmos
- eBookFinite Dimensional Vector Spaces. (AM-7), Volume 7Paul R. Halmos
- eBookFinite-Dimensional Vector SpacesPaul R. Halmos
- eBookAlgebraic LogicPaul R. Halmos
- eBookLectures on Ergodic TheoryPaul R. Halmos
- eBookIntroduction to Hilbert Space and the Theory of Spectral MultiplicityPaul R. Halmos
- eBookSeri: Dover Books on MathematicsRobert Gilmore
- eBookSeri: Annals of Mathematics StudiesRichard Taylor