@article{10_4064_ap_47_3_381_402,
     author = {Gilles Fournier and Donald Violette},
     title = {A fixed point theorem for a class of multi-valued continuously differentiable maps},
     journal = {Annales Polonici Mathematici},
     pages = {381--402},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {1986},
     doi = {10.4064/ap-47-3-381-402},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-47-3-381-402/}
}