@article{JRAM_1983__345_152572,
     author = {Howard A. Levine and Gary M. Lieberman},
     title = {Quenching of solutions of parabolic equations with nonlinear boundary conditions in several dimensions.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {23--38},
     publisher = {mathdoc},
     volume = {345},
     year = {1983},
     zbl = {0519.35041},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1983__345_152572/}
}