@article{04086276, title = {Viscosity solutions associated with impulse control problems for piecewise-deterministic processes.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {145-157}, doi = {10.1155/S0161171289000207}, zbl = {0664.45007}, language = {en}, url = {http://dml.mathdoc.fr/item/04086276} }
Lenhart, Suzanne M. Viscosity solutions associated with impulse control problems for piecewise-deterministic processes.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 145-157. doi : 10.1155/S0161171289000207. http://gdmltest.u-ga.fr/item/04086276/