@article{10_21136_CPM_1967_117601,
     author = {Kadlec, Jan},
     title = {Strong maximum principle for weak solutions of nonlinear parabolic differential inequalities},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {373--391},
     publisher = {mathdoc},
     volume = {092},
     number = {4},
     year = {1967},
     doi = {10.21136/CPM.1967.117601},
     mrnumber = {0228807},
     zbl = {0166.36802},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1967.117601/}
}