@article{AIHPC_1988__5_6_573_0,
     author = {Loewen, Philip D. and Clarke, Frank H. and Vinter, Richard B.},
     title = {Differential inclusions with free time},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {573--593},
     publisher = {Gauthier-Villars},
     volume = {5},
     number = {6},
     year = {1988},
     mrnumber = {978672},
     zbl = {0672.49019},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1988__5_6_573_0/}
}