%0 Journal Article %A V. A. Ivanov %A А. E. Novikov %T Оn the distribution of the time up to the first occurence of a~given number of different $l$-tuple series %J Teoriâ veroâtnostej i ee primeneniâ %D 1977 %P 546-555 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1977_22_3_a7/ %G ru %F TVP_1977_22_3_a7