%0 Journal Article %A D. V. Georgievskii %A M. V. Shamolin %T Sessions of the Workshop of the Mathematics and Mechanics Department of Lomonosov Moscow State University, “Urgent problems of geometry and mechanics” named after V. V. Trofimov %J Contemporary Mathematics and Its Applications %D 2013 %P 3-19 %V 88 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMA_2013_88_a0/ %G ru %F CMA_2013_88_a0