@article{10_4153_CJM_1991_017_1, author = {Hernandez, Gaston E. and Roussos, Ioannis M.}, title = {The {H\"older} {Exponent} for {Radially} {Symmetric} {Solutions} of {Porous} {Medium} {Type} {Equations}}, journal = {Canadian journal of mathematics}, pages = {313--321}, year = {1991}, volume = {43}, number = {2}, doi = {10.4153/CJM-1991-017-1}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1991-017-1/} }