@article{VCHGU_2013_16_a12,
     author = {A. M. Kulakova},
     title = {Proof of the {Shubert} theorem},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {125--129},
     publisher = {mathdoc},
     number = {16},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_2013_16_a12/}
}