@article{MZ_1986__191_173652,
     author = {P.-L. Lions and N.S. Trudinger},
     title = {Linear {Oblique} {Derivative} {Problems} for the {Uniformly} {Elliptic} {Hamilton-Jacobi-Bellman} {Equation.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--16},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0593.35046},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173652/}
}