%0 Journal Article %A V. V. Skobelev %T “Strings” theorem and its applications %J Prikladnaâ diskretnaâ matematika %D 2009 %P 84-89 %N 4 %U http://geodesic.mathdoc.fr/item/PDM_2009_4_a7/ %G ru %F PDM_2009_4_a7