TY - JOUR AU - Bikchentaev, A.M. TI - On representation of elements of a von Neumann algebra in the form of finite sums of products of projections. JO - Sibirskij Matematicheskij Zhurnal PY - 2005 SP - 32 VL - 46 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/SMZ_2005__46_1_53005/ LA - en ID - SMZ_2005__46_1_53005 ER -