1.
Posashkov, Sergey y Galaktionov, V.A. 1991. Monotonicity in Time and Stationary Solutions for a Quasilinear Heat Equation with Source. Revista Matemática Complutense 4, 2, 251. DOI:https://doi.org/10.5209/rev_REMA.1991.v4.n2.17980