%0 Journal Article %A N. M. Ostianu %T The Romanian geometer Gheorghe Ţiţeica (on the hundredth anniversary of his birth) %J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara %D 1974 %P 25-36 %V 6 %U http://geodesic.mathdoc.fr/item/INTG_1974_6_a2/ %G ru %F INTG_1974_6_a2