@article{DAN_1980_251_1_a6,
     author = {Sh. S. Kemkhadze},
     title = {On classes of groups of {Schmidt} type},
     journal = {Doklady Akademii Nauk},
     pages = {26--29},
     publisher = {mathdoc},
     volume = {251},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_1_a6/}
}