TY - JOUR AU - Böhmer, Klaus AU - Grossmann, Christian TI - Area of contraction of Newton's method applied to a penalty technique for obstacle problems JO - Applications of Mathematics PY - 1993 SP - 428 EP - 439 VL - 38 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1993.104565/ DO - 10.21136/AM.1993.104565 LA - en ID - 10_21136_AM_1993_104565 ER -