%0 Journal Article %A V. A. Kleptsyn %A D. A. Filimonov %T Lyapunov exponents and other properties of $N$-groups %J Trudy Moskovskogo matematičeskogo obŝestva %D 2012 %P 37-46 %V 73 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_2012_73_1_a1/ %G ru %F MMO_2012_73_1_a1