Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1979__29_2_a7, author = {\v{S}abo, Michal}, title = {Classification and extension by the transfinite induction}, journal = {Mathematica slovaca}, pages = {169--176}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {1979}, mrnumber = {578289}, zbl = {0432.04004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1979__29_2_a7/} }
Šabo, Michal. Classification and extension by the transfinite induction. Mathematica slovaca, Tome 29 (1979) no. 2, pp. 169-176. http://geodesic.mathdoc.fr/item/MASLO_1979__29_2_a7/