TY - JOUR AU - L. B. Shneperman TI - Semigroups of continuous transformations of closed sets of the number axis JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1965 SP - 166 EP - 175 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1965_6_a22/ LA - ru ID - IVM_1965_6_a22 ER -