@article{10_4064_ap_60_2_101_117,
     author = {Alberto Bressan and Graziano Crasta},
     title = {Extremal selections of multifunctions generating a continuous flow},
     journal = {Annales Polonici Mathematici},
     pages = {101--117},
     publisher = {mathdoc},
     volume = {60},
     number = {2},
     year = {1994},
     doi = {10.4064/ap-60-2-101-117},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-60-2-101-117/}
}