Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{AMUC_1990__56-57_186047, title = {[unknown]}, journal = {Acta mathematica Universitatis Comenianae}, pages = {47--54}, publisher = {mathdoc}, volume = {56-57}, year = {1990}, url = {http://geodesic.mathdoc.fr/item/AMUC_1990__56-57_186047/} }
[unknown]. Acta mathematica Universitatis Comenianae, 56-57 (1990), pp. 47-54. http://geodesic.mathdoc.fr/item/AMUC_1990__56-57_186047/