TY - JOUR AU - A. O. Ivanov TI - Calibration forms and new examples of stable and globally minimal surfaces JO - Sbornik. Mathematics PY - 1992 SP - 289 EP - 308 VL - 71 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_1992_71_2_a1/ LA - en ID - SM_1992_71_2_a1 ER -