@article{COCV_2020__26_1_A126_0,
     author = {Cazenave, Thierry and Dickstein, Fl\'avio and Naumkin, Ivan and Weissler, Fred B.},
     editor = {Buttazzo, G. and Casas, E. and de Teresa, L. and Glowinsk, R. and Leugering, G. and Tr\'elat, E. and Zhang, X.},
     title = {Sign-changing solutions of the nonlinear heat equation with persistent singularities},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     publisher = {EDP-Sciences},
     volume = {26},
     year = {2020},
     doi = {10.1051/cocv/2020082},
     mrnumber = {4188829},
     zbl = {1459.35249},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/cocv/2020082/}
}