Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{RCM_1972__6_181590, author = {C. Ruiz Salguero and R. Ruiz and S. Frias}, title = {On {Kann's} conditiion}, journal = {Revista colombiana de matematicas}, pages = {1--16}, publisher = {mathdoc}, volume = {6}, year = {1972}, zbl = {0257.55018}, url = {http://geodesic.mathdoc.fr/item/RCM_1972__6_181590/} }
C. Ruiz Salguero; R. Ruiz; S. Frias. On Kann's conditiion. Revista colombiana de matematicas, Tome 6 (1972), pp. 1-16. http://geodesic.mathdoc.fr/item/RCM_1972__6_181590/