Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1988_2_3-4_a1, author = {Duro R. Kurepa}, title = {Fixed {Points} and a {Condition} {Concerning} {Selfmappings} of {Ordered} {Sets}}, journal = {Mathematica balkanica}, pages = {290}, publisher = {mathdoc}, volume = {2}, number = {3-4}, year = {1988}, url = {http://geodesic.mathdoc.fr/item/MABA_1988_2_3-4_a1/} }
Duro R. Kurepa. Fixed Points and a Condition Concerning Selfmappings of Ordered Sets. Mathematica balkanica, Tome 2 (1988) no. 3-4, p. 290. http://geodesic.mathdoc.fr/item/MABA_1988_2_3-4_a1/