@article{RSM_1998__56_4_122769,
     author = {Rampazzo, F. and Sartori, C.},
     title = {On perturbations of minimum problems with unbounded controls.},
     journal = {Rendiconti del seminario matematico},
     pages = {133--149},
     publisher = {mathdoc},
     volume = {56},
     number = {4},
     year = {1998},
     zbl = {1016.49025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_1998__56_4_122769/}
}