@article{JRAM_1984__349_152624,
     author = {E. DiBenedetto and Avner Friedman},
     title = {Regularity of solutions of nonlinear degenerate parabolic systems.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {83--128},
     publisher = {mathdoc},
     volume = {349},
     year = {1984},
     zbl = {0527.35038},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1984__349_152624/}
}