@article{01140286, title = {On new strengthened Hardy-Hilbert's inequality.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {21}, year = {1998}, pages = {403-408}, doi = {10.1155/S0161171298000556}, zbl = {0897.26008}, language = {en}, url = {http://dml.mathdoc.fr/item/01140286} }
Yang, Bicheng; Debnath, Lokenath. On new strengthened Hardy-Hilbert's inequality.. International Journal of Mathematics and Mathematical Sciences, Tome 21 (1998) pp. 403-408. doi : 10.1155/S0161171298000556. http://gdmltest.u-ga.fr/item/01140286/