TY - JOUR AU - Paweł Wójcik TI - Generalized Daugavet equations, affine operators and unique best approximation JO - Studia Mathematica PY - 2017 SP - 235 EP - 247 VL - 238 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm8635-12-2016/ DO - 10.4064/sm8635-12-2016 LA - en ID - 10_4064_sm8635_12_2016 ER -