Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1990_10_a5, author = {V. V. Rozen}, title = {Potential saddle points in ordered sets}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {44--50}, publisher = {mathdoc}, number = {10}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_10_a5/} }
V. V. Rozen. Potential saddle points in ordered sets. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1990), pp. 44-50. http://geodesic.mathdoc.fr/item/IVM_1990_10_a5/