@article{UFA_2014_6_3_a6,
     author = {B. N. Khabibullin},
     title = {Helly's theorem and shifts of {sets.~I}},
     journal = {Ufa mathematical journal},
     pages = {95--107},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2014_6_3_a6/}
}