@article{MAN_1995__303_4_165390,
     author = {V.A. Galaktionov and J.L. Vazquez},
     title = {Geometrical properties of the solutions of one-dimensional nonlinear parabolic equations.},
     journal = {Mathematische Annalen},
     pages = {741--770},
     publisher = {mathdoc},
     volume = {303},
     number = {4},
     year = {1995},
     zbl = {0842.35006},
     url = {http://geodesic.mathdoc.fr/item/MAN_1995__303_4_165390/}
}