%0 Journal Article %A N. M. Ivochkina %T From G\aa rding's cones to $p$-convex hypersurfaces %J Contemporary Mathematics. Fundamental Directions %D 2012 %P 94-104 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2012_45_a6/ %G ru %F CMFD_2012_45_a6