Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1999_66_1_a10, author = {E. S. Lyapin}, title = {Transformational antiatomic characteristic of ordered sets}, journal = {Matemati\v{c}eskie zametki}, pages = {112--119}, publisher = {mathdoc}, volume = {66}, number = {1}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a10/} }
E. S. Lyapin. Transformational antiatomic characteristic of ordered sets. Matematičeskie zametki, Tome 66 (1999) no. 1, pp. 112-119. http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a10/