@article{04150521, title = {Orthodox }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {13}, year = {1990}, pages = {527-534}, doi = {10.1155/S016117129000076X}, zbl = {0702.20052}, language = {en}, url = {http://dml.mathdoc.fr/item/04150521} }
Sen, M.K.; Saha, N.K. Orthodox . International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 527-534. doi : 10.1155/S016117129000076X. http://gdmltest.u-ga.fr/item/04150521/