TY - JOUR AU - D. E. Efimov TI - Estimation of the distance between partial products of some sequences of linear operators JO - Diskretnaya Matematika PY - 2012 SP - 66 EP - 72 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2012_24_3_a6/ LA - ru ID - DM_2012_24_3_a6 ER -