TY - JOUR AU - E. V. Troitskii TI - An Averaging Theorem in $C^*$-Hilbert Modules and Operators without Adjoint JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1994 SP - 88 EP - 92 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1994_28_3_a12/ LA - ru ID - FAA_1994_28_3_a12 ER -