@article{DAN_1962_147_2_a14,
     author = {L. A. Shemetkov},
     title = {On a theorem of {Hall}},
     journal = {Doklady Akademii Nauk},
     pages = {321--322},
     publisher = {mathdoc},
     volume = {147},
     number = {2},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_2_a14/}
}