@article{MZM_1973_14_5_a12,
     author = {Yu. A. Abramovich and G. Ya. Lozanovskii},
     title = {Certain numerical characteristics of $KN$-lineals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {723--732},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1973_14_5_a12/}
}