%0 Journal Article %A Z. Frolík %T Intrinsic characterization of spaces topologically complete in the sense of E. Čech %J Doklady Akademii Nauk %D 1961 %P 533-536 %V 137 %N 3 %U http://geodesic.mathdoc.fr/item/DAN_1961_137_3_a11/ %G ru %F DAN_1961_137_3_a11