Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1978_239_3_a11, author = {M. G. Tkachenko}, title = {Chains and cardinals}, journal = {Doklady Akademii Nauk}, pages = {546--549}, publisher = {mathdoc}, volume = {239}, number = {3}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_3_a11/} }
M. G. Tkachenko. Chains and cardinals. Doklady Akademii Nauk, Tome 239 (1978) no. 3, pp. 546-549. http://geodesic.mathdoc.fr/item/DAN_1978_239_3_a11/