@article{02062295,
title = {A unified characterization of },
journal = {Georgian Mathematical Journal},
volume = {10},
year = {2003},
pages = {289-310},
zbl = {1040.60058},
language = {en},
url = {http://dml.mathdoc.fr/item/02062295}
}
Mania, M.; Tevzadze, R. A unified characterization of . Georgian Mathematical Journal, Tome 10 (2003) pp. 289-310. http://gdmltest.u-ga.fr/item/02062295/