%0 Journal Article %A A. M. Kamachkin %T On construction of the piecewise-smooth orbit neighborhood %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2011 %P 32-39 %N 4 %U http://geodesic.mathdoc.fr/item/VSPUI_2011_4_a2/ %G ru %F VSPUI_2011_4_a2