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@article{FAA_1989_23_2_a20, author = {V. S. Shulman}, title = {Projection lattices in a {Hilbert} space}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {86--87}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a20/} }
V. S. Shulman. Projection lattices in a Hilbert space. Funkcionalʹnyj analiz i ego priloženiâ, Tome 23 (1989) no. 2, pp. 86-87. http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a20/