@article{TM_1975_134_a1,
     author = {A. Bensoussan and J.-L. Lions},
     title = {Optimal impulse and continuous control: method of nonlinear quasi-variational inequalities},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {5--22},
     year = {1975},
     volume = {134},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_134_a1/}
}