TY - JOUR AU - E. A. Danielyan AU - S. K. Arzumanyan TI - Stability of frequency distribution in frame of natural parametrization. I JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2011 SP - 18 EP - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2011_1_a3/ LA - en ID - UZERU_2011_1_a3 ER -