%0 Journal Article %A E. A. Danielyan %A S. K. Arzumanyan %T Stability of frequency distribution in frame of natural parametrization. I %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2011 %P 18-22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2011_1_a3/ %G en %F UZERU_2011_1_a3