@article{DAN_1972_205_3_a8,
     author = {P. S. Soltan},
     title = {Helly{\textquoteright}s theorem for $\mathrm{d}$-convex sets},
     journal = {Doklady Akademii Nauk},
     pages = {537--539},
     publisher = {mathdoc},
     volume = {205},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_205_3_a8/}
}