@article{INTM_1973_11_a0,
     author = {Yu. A. Shashkin},
     title = {Convex sets, extremal points, simplexes},
     journal = {Itogi nauki i tehniki. Seri\^a, Matemati\v{c}eskij analiz},
     pages = {5--50},
     publisher = {mathdoc},
     volume = {11},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTM_1973_11_a0/}
}