@article{00561651,
title = {A criterion for },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {17},
year = {1994},
pages = {205-207},
doi = {10.1155/S0161171294000311},
zbl = {0797.30014},
language = {en},
url = {http://dml.mathdoc.fr/item/00561651}
}
Owa, Shigeyoshi; Nunokawa, Mamoru; Fukui, Seiichi. A criterion for . International Journal of Mathematics and Mathematical Sciences, Tome 17 (1994) pp. 205-207. doi : 10.1155/S0161171294000311. http://gdmltest.u-ga.fr/item/00561651/