@article{MAN_1977__225_162933,
     author = {Gilles Fournier and Heinz-Otto Peitgen},
     title = {On {Some} {Fixed} {Point} {Principles} for {Cones} in {Linear} {Normed} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {205--218},
     publisher = {mathdoc},
     volume = {225},
     year = {1977},
     zbl = {0325.47039},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__225_162933/}
}