TY - JOUR AU - I. V. Ostrovskii TI - Description of the $I_0$ class in a special semigroup of probability measures JO - Doklady Akademii Nauk PY - 1973 SP - 788 EP - 791 VL - 209 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_209_4_a8/ LA - ru ID - DAN_1973_209_4_a8 ER -