%0 Journal Article %A N. S. Gusev %T Canonical decompositions of piecewise affine mappings, polyhedra-traces, and geometrical variational problems %J Fundamentalʹnaâ i prikladnaâ matematika %D 2006 %P 57-94 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2006_12_1_a1/ %G ru %F FPM_2006_12_1_a1