@article{1181072953, author = {Angenent, Sigurd}, title = {Nodal Properties of Solutions of Parabolic Equations}, journal = {Rocky Mountain J. Math.}, volume = {21}, number = {4}, year = {1991}, pages = { 585-592}, language = {en}, url = {http://dml.mathdoc.fr/item/1181072953} }
Angenent, Sigurd. Nodal Properties of Solutions of Parabolic Equations. Rocky Mountain J. Math., Tome 21 (1991) no. 4, pp. 585-592. http://gdmltest.u-ga.fr/item/1181072953/