@article{EJDE_1999__1999__a65, author = {Greco, Antonio and Kawohl, Bernd}, title = {Log-concavity in some parabolic problems}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {1999}, year = {1999}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a65/} }