Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
Yu. A. Abramovich; G. Ya. Lozanovskii. Certain numerical characteristics of $KN$-lineals. Matematičeskie zametki, Tome 14 (1973) no. 5, pp. 723-732. http://geodesic.mathdoc.fr/item/MZM_1973_14_5_a12/