1. Gradient estimates for the p (x)-Laplacian system;Acerbi;J. für Die Reine Angew. Math.,2005
2. Sobolev Spaces;Adams,2003
3. Quasilinear elliptic-parabolic differential equations;Alt;Math. Z.,1983
4. Estimating the left boundary condition of coupled 1-d linear hyperbolic pdes from right boundary sensing;Anfinsen,2016
5. Energy Methods for Free Boundary Problems: Applications to Nonlinear PDEs and Fluid Mechanics;Antontsev,2012