For citations:

Darwish Taleb M.F., Muratov M.A. Algebraic and order properties of a block projection operator on the algebra of measurable operators. Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki. 2025;167(4):641-654. (In Russ.) https://doi.org/10.26907/2541-7746.2025.4.641-654