%0 Journal Article
%A O. R. Musin
%T Curvature extrema and four-vertex-theorems for polygons and polyhedra
%J Zapiski Nauchnykh Seminarov POMI
%D 2001
%P 251-271
%V 280
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2001_280_a18/
%G ru
%F ZNSL_2001_280_a18