@article{NUMA_1986__49_133110,
     author = {Ronald H.W. Hoppe},
     title = {Multi-Grid {Methods} for {Hamiltonian-Jacobi-Bellmann} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {239--254},
     publisher = {mathdoc},
     volume = {49},
     year = {1986},
     zbl = {0577.65088},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__49_133110/}
}