@article{IVM_1968_7_a0,
     author = {N. I. Bakievich},
     title = {A~theorem of {G.~Higman}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--9},
     year = {1968},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1968_7_a0/}
}