@article{IVM_1977_9_a15,
     author = {A. \`E. Sattarov},
     title = {Extremals of the metric space of support vector densities},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {119--121},
     year = {1977},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_9_a15/}
}