%0 Journal Article %A V. A., Ustimenko %T On Graph-Based Cryptography and Symbolic Computations %J Serdica Journal of Computing %D 2007 %P 131-156 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJC_2007_1_2_a1/ %G en %F SJC_2007_1_2_a1