%0 Journal Article %A M. I. Shtogrin %T Bending of a~piecewise developable surface %J Informatics and Automation %D 2011 %P 144-166 %V 275 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2011_275_a7/ %G ru %F TRSPY_2011_275_a7