TY - JOUR AU - I. I. Parovichenko TI - The suprema of families of $H$-closed extensions of Hausdorff spaces JO - Doklady Akademii Nauk PY - 1970 SP - 1241 EP - 1244 VL - 193 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_193_6_a7/ LA - ru ID - DAN_1970_193_6_a7 ER -