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@article{FAA_2003_37_4_a12, author = {T. V. Shulman}, title = {On {Sums} of {Projections} in $C^*${-Algebras}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {91--92}, publisher = {mathdoc}, volume = {37}, number = {4}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_2003_37_4_a12/} }
T. V. Shulman. On Sums of Projections in $C^*$-Algebras. Funkcionalʹnyj analiz i ego priloženiâ, Tome 37 (2003) no. 4, pp. 91-92. http://geodesic.mathdoc.fr/item/FAA_2003_37_4_a12/