%0 Journal Article %A Böhmer, Klaus %A Grossmann, Christian %T Area of contraction of Newton's method applied to a penalty technique for obstacle problems %J Applications of Mathematics %D 1993 %P 428-439 %V 38 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1993.104565/ %R 10.21136/AM.1993.104565 %G en %F 10_21136_AM_1993_104565