Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1978_6_a3, author = {V. V. Vagner}, title = {Introrestrictive factored and bifactored ordered sets}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {36--50}, publisher = {mathdoc}, number = {6}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1978_6_a3/} }
V. V. Vagner. Introrestrictive factored and bifactored ordered sets. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1978), pp. 36-50. http://geodesic.mathdoc.fr/item/IVM_1978_6_a3/