@article{03935431, title = {On convergence of (}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {8}, year = {1985}, pages = {641-652}, doi = {10.1155/S0161171285000709}, zbl = {0584.32003}, language = {en}, url = {http://dml.mathdoc.fr/item/03935431} }
Lutterodt, C.H. On convergence of (. International Journal of Mathematics and Mathematical Sciences, Tome 8 (1985) pp. 641-652. doi : 10.1155/S0161171285000709. http://gdmltest.u-ga.fr/item/03935431/