@article{JRAM_1984__350_152630,
     author = {A. Bensoussan and J. Frehse},
     title = {Nonlinear elliptic systems in stochastic game theory.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {23--67},
     year = {1984},
     volume = {350},
     zbl = {0531.93052},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1984__350_152630/}
}