%0 Journal Article %A V. A. Toponogov %T Theorems on minimizing paths in noncompact Riemannian spaces of positive curvature %J Doklady Akademii Nauk %D 1970 %P 537-539 %V 191 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_191_3_a9/ %G ru %F DAN_1970_191_3_a9