%0 Journal Article %A M. I. Shtogrin %T Rigidity of a~quadrillage of the pretzel %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 1044-1045 %V 54 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_5_a16/ %G en %F RM_1999_54_5_a16