1. Adams, R.A., Fournier, J.J.F.: Sobolev Spaces. Academic Press, Cambridge (1975)
2. Chua, S.-K.: Extension theorems on weighted Sobolev spaces. Indiana Univ. Math. J. 41, 1027–1076 (1992)
3. De Coster, C., Nicaise, S.: Singular behavior of the solution of the Helmholtz equation in weighted $$L^p$$-Sobolev spaces. Adv. Diff. Eq. 16, 165–198 (2011)
4. De Coster, C., Nicaise, S.: Singular behavior of the solution of the Cauchy-Dirichlet heat equation in weighted $$L^p$$-Sobolev spaces. Bull. B.M.S. Simon Stevin 11, 769–780 (2011)
5. Dauge, M.: Stationary Stokes and Navier-Stokes systems on two- or three-dimensional domains with corners. I. Linearized equations. SIAM J. Math. Anal. 20(1), 74–97 (1989)