@article{GDZPPN002328526, title = {On a Problem of Bellenot and Dubinsky.}, journal = {Mathematische Annalen}, volume = {275}, year = {1986}, pages = {337-340}, zbl = {0586.46001}, url = {http://dml.mathdoc.fr/item/GDZPPN002328526} }
Behrends, Erhard; Dierolf, Susanne; Harmand, Peter. On a Problem of Bellenot and Dubinsky.. Mathematische Annalen, Tome 275 (1986) pp. 337-340. http://gdmltest.u-ga.fr/item/GDZPPN002328526/