1. Ginzburg–Landau Vortices;Bethuel,1994
2. Coutand D., Shkoller S., Article in preparation (2001)
3. Nonlinear Functional Analysis;Deimling,1985
4. Conservation laws for liquid crystals;Ericksen;Trans. Soc. Rheol.,1961
5. Equilibrium theory for liquid crystals;Ericksen,1975