The Stefan problem with kinetic condition at the free boundary Avner Friedman; Bei Hu — 1992 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Global solutions and quenching to a class of quasilinear parabolic equations. Bei Hu; Hong-Ming Yin — 1994 Forum mathematicum
On critical exponents for the heat equation with a nonlinear boundary condition Bei Hu; Hong-Ming Yin — 1996 Annales de l'I.H.P. Analyse non linéaire