@article{RLIN_1994_9_5_3_a6,
     author = {Bressan, Aldo and Motta, Monica},
     title = {On control problems of minimum time for {Lagrangian} systems similar to a swing. {II} {Application} of convexity criteria to certain minimum time problems},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {255--264},
     publisher = {mathdoc},
     volume = {Ser. 9, 5},
     number = {3},
     year = {1994},
     zbl = {0814.70020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLIN_1994_9_5_3_a6/}
}