@article{JAC_2014__40_2_a4,
     author = {Schmidt, Kai-Uwe and Zhou, Yue},
     title = {Planar functions over fields of characteristic two},
     journal = {Journal of Algebraic Combinatorics},
     pages = {503--526},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2014__40_2_a4/}
}