1. [D] DAUGE M.: Elliptic boundary value problems in corner domains; smoothness and asymptotics of solutions. Lect. Notes in Math. 1341, Springer-Verlag (1988).9614390668.35001
2. [D-L-N] DAUGE M., LUBUMA M. S. etNICAISE S.: Coefficients des singularités pour le problème de Dirkhlet sur un polygone. C.R. Acad. Sc. Paris 304, Série I, 16, 483-486 (1987).8945740619.35033
3. [G] GRISVARD P.: Elliptic problems in non smooth domains. Monographes and Studies in Math. 24, Pitman (1985).0695.35060
4. [K] KONDRAT'EV V. A.: Boundary-value problems for elliptic equations in domains with conical or angular points. Trans. Moscow Math. Soc. 16, 227-313 (1967).2261870194.13405
5. [L-M] LIONS J. L. etMAGENES E.: Problèmes aux limites non homogènes. Vol. I, Dunod, 1967.0115.31302