Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1973_209_2_a0, author = {G. P. Amirdzhanov}, title = {Density, {Souslin} number, and tightness of topological spaces}, journal = {Doklady Akademii Nauk}, pages = {265--268}, publisher = {mathdoc}, volume = {209}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_209_2_a0/} }
G. P. Amirdzhanov. Density, Souslin number, and tightness of topological spaces. Doklady Akademii Nauk, Tome 209 (1973) no. 2, pp. 265-268. http://geodesic.mathdoc.fr/item/DAN_1973_209_2_a0/