TY - CHAP AU - Herrero, Miguel A. AU - Velázquez, J.J. L. A4 - Chadam, John M. A4 - Rasmussen, Henning PY - 1993 SN - 0-582-08768-6 UR - https://hdl.handle.net/20.500.14352/60765 AB - We consider the Cauchy problem u t -u xx +u p =0,x∈ℝ,t>0,u(x,0)=u 0 (x),x∈ℝ, where 0