TY - JOUR AU - I. P. Kostenko TI - The reflexivity of certain unions of semiordered spaces JO - Doklady Akademii Nauk PY - 1967 SP - 774 EP - 777 VL - 177 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_177_4_a6/ LA - ru ID - DAN_1967_177_4_a6 ER -