%0 Journal Article %A A. S. Shvedov %T Moving of surfaces method which preserves spherical parts %J Matematičeskoe modelirovanie %D 1990 %P 97-101 %V 2 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1990_2_6_a9/ %G ru %F MM_1990_2_6_a9