@article{GMJ_2002__9_1_50316,
     author = {Omanadze, R.},
     title = {On some properties of -maximal sets and -reducibility.},
     journal = {Georgian mathematical journal},
     pages = {161--166},
     year = {2002},
     volume = {9},
     number = {1},
     zbl = {1021.03036},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_2002__9_1_50316/}
}