TY - JOUR AU - Oniani, G. AU - Zerekidze, T. TI - On differential bases formed of intervals. JO - Georgian Mathematical Journal PY - 1997 SP - 81 EP - 100 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/GMJ_1997__4_1_47910/ LA - en ID - GMJ_1997__4_1_47910 ER -