@article{MZM_1988_44_1_a7,
     author = {Yu. A. Kaz'min},
     title = {Theorem on bases-formation by near systems and its applications},
     journal = {Matemati\v{c}eskie zametki},
     pages = {80--88},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a7/}
}