@article{CMUC_1965__6_1_a3,
     author = {Kadlec, Jan and V\'yborn\'y, Rudolf},
     title = {Strong maximum principle for weakly nonlinear parabolic equations {(Preliminary} communication)},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {19--20},
     publisher = {mathdoc},
     volume = {06},
     number = {1},
     year = {1965},
     mrnumber = {0177203},
     zbl = {0144.35201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1965__6_1_a3/}
}