%0 Journal Article %A V. K. Zakharov %A O. V. Sarmanov %T Combinatorial methods for investigating the distribution of the trajectory amplitude of a~random walk %J Sbornik. Mathematics %D 1972 %P 529-540 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1972_18_3_a7/ %G en %F SM_1972_18_3_a7