Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1978_11_a12, author = {Yu. A. Shashkin and L. G. Sharaburova}, title = {Helly theorems for convex cones}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {104--107}, publisher = {mathdoc}, number = {11}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1978_11_a12/} }
Yu. A. Shashkin; L. G. Sharaburova. Helly theorems for convex cones. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1978), pp. 104-107. http://geodesic.mathdoc.fr/item/IVM_1978_11_a12/