@article{JRAM_1979__0311_0312_152163,
     author = {Steven B. Bank and Robert P. Kaufman},
     title = {On differential euqations and functional equations.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {31--41},
     publisher = {mathdoc},
     volume = {0311_0312},
     year = {1979},
     zbl = {0409.34011},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__0311_0312_152163/}
}