TY  - JOUR
AU  - T. V. Shulman
TI  - On Sums of Projections in $C^*$-Algebras
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 2003
SP  - 91
EP  - 92
VL  - 37
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_2003_37_4_a12/
LA  - ru
ID  - FAA_2003_37_4_a12
ER  -