TY - JOUR AU - V. D. Stepanov AU - E. P. Ushakova TI - On the Geometric Mean Operator with Variable Limits of Integration JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2008 SP - 264 EP - 288 VL - 260 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2008_260_a17/ LA - ru ID - TM_2008_260_a17 ER -