%0 Journal Article %A A. N. Chuprunov %A O. V. Rusakov %T Convergence for step line processes under summation of random indicators and models of market pricing %J Lobachevskii journal of mathematics %D 2003 %P 11-39 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2003_12_a1/ %G en %F LJM_2003_12_a1