TY - JOUR AU - S. V. Bochkarev TI - An abstract Kolmogorov theorem, and an~application to metric spaces and topological groups JO - Sbornik. Mathematics PY - 2018 SP - 1575 EP - 1602 VL - 209 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2018_209_11_a1/ LA - en ID - SM_2018_209_11_a1 ER -