@article{01054253, title = {A characterization of }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {483-486}, doi = {10.1155/S0161171297000653}, zbl = {0898.46050}, language = {en}, url = {http://dml.mathdoc.fr/item/01054253} }
Gaur, A.K. A characterization of . International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 483-486. doi : 10.1155/S0161171297000653. http://gdmltest.u-ga.fr/item/01054253/