%0 Journal Article %A V. I. Malykhin %T Extremally disconnected and similar groups %J Doklady Akademii Nauk %D 1975 %P 27-30 %V 220 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_1_a4/ %G ru %F DAN_1975_220_1_a4