@article{01439624, title = {Bounded sets in the range of }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {23}, year = {2000}, pages = {21-30}, doi = {10.1155/S0161171200001708}, zbl = {0959.46030}, language = {en}, url = {http://dml.mathdoc.fr/item/01439624} }
Marchena, B.; Piñeiro, C. Bounded sets in the range of . International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 21-30. doi : 10.1155/S0161171200001708. http://gdmltest.u-ga.fr/item/01439624/