Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1985_37_2_a14, author = {R. G. Alizade}, title = {Proper {Kepka} classes}, journal = {Matemati\v{c}eskie zametki}, pages = {268--273}, publisher = {mathdoc}, volume = {37}, number = {2}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a14/} }
R. G. Alizade. Proper Kepka classes. Matematičeskie zametki, Tome 37 (1985) no. 2, pp. 268-273. http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a14/