@article{10_4064_sm8635_12_2016,
     author = {Pawe{\l} W\'ojcik},
     title = {Generalized {Daugavet} equations, affine operators and unique best approximation},
     journal = {Studia Mathematica},
     pages = {235--247},
     publisher = {mathdoc},
     volume = {238},
     number = {3},
     year = {2017},
     doi = {10.4064/sm8635-12-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm8635-12-2016/}
}