FOULIS, David J - JENČOVÁ, Anna - PULMANNOVÁ, Sylvia. Two projections in a synaptic algebra. In Linear Algebra and its Applications, 2015, vol. 478, s. 162-187. (2015 - Current Contents). ISSN 0024-3795. Available on: https://doi.org/10.1016/j.laa.2015.03.021
:Ohlasy:
:[1.1] LUO, Wei - MOSLEHIAN, Mohammad Sal - XU, Qingxiang. Halmos' two projections theorem for Hilbert C*-module operators and the Friedrichs angle of two closed submodules. In LINEAR ALGEBRA AND ITS APPLICATIONS. ISSN 0024-3795, 2019, vol. 577, p. 134-158., Registrované v: WOS