Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1967__17_2_a2, author = {Rosenberg, Ivo}, title = {Die transitive {H\"ulle} des lexikographischen {Produktes}}, journal = {Mathematica slovaca}, pages = {92--107}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {1967}, mrnumber = {0225688}, zbl = {0149.25601}, language = {ge}, url = {http://geodesic.mathdoc.fr/item/MASLO_1967__17_2_a2/} }
Rosenberg, Ivo. Die transitive Hülle des lexikographischen Produktes. Mathematica slovaca, Tome 17 (1967) no. 2, pp. 92-107. http://geodesic.mathdoc.fr/item/MASLO_1967__17_2_a2/