%0 Journal Article %A H.B., Jr Lawson %A M.-L. Michelsohn %T Approximation by positive mean curvature immersions: frizzing. %J Inventiones mathematicae %D 1984 %P 421-426 %V 77 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1984__77_143153/ %F IM_1984__77_143153