%0 Journal Article %A B. N. Khabibullin %T Helly's theorem and shifts of sets.~I %J Ufa mathematical journal %D 2014 %P 95-107 %V 6 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2014_6_3_a6/ %G en %F UFA_2014_6_3_a6