[1]Aniculaesei G, Anita S.Stabilization of the heat equation via internal feedback control.Nonlinear Functional Analysis and Application,2001,6: 12-24

[2]Barbu V.Local controllability of the phase field system.Nonlinear Analysis,2002,50(3): 363-372

[3]Caginalp C.An analysis of a phase field model of a free boundary.Arch Rational Mech Anal, 1986,92: 205-245

[4]Imanuvilov O Yu.Exact boundary controllability of parabolic equations.Russian Math Surveys,1993,48: 211-212

[5]Lebean G, Robbiano L.Controle exact de le'equation de. la chaleur.Comm PDE, 1995, 30: 335-357

[6]Morosanu C, Motreanu D.A generalized phasefield system.J Math Analysis and Appl, 1999, 237: 515-540