Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1995__36_3_a15, author = {Picado, Jorge}, title = {On extended frames}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {537--549}, publisher = {mathdoc}, volume = {36}, number = {3}, year = {1995}, mrnumber = {1364495}, zbl = {0831.06004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1995__36_3_a15/} }
Picado, Jorge. On extended frames. Commentationes Mathematicae Universitatis Carolinae, Tome 36 (1995) no. 3, pp. 537-549. http://geodesic.mathdoc.fr/item/CMUC_1995__36_3_a15/