TY - JOUR AU - Leonid V. Kovalev TI - A geometric approach to accretivity JO - Studia Mathematica PY - 2007 SP - 87 EP - 100 VL - 181 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm181-1-6/ DO - 10.4064/sm181-1-6 LA - en ID - 10_4064_sm181_1_6 ER -