BibliographyΒΆ
| [Ref1] | R. Rannacher. Finite element solution of diffusion problems with irregular data, Numerische Mathematik, 43, pp. 309-327, 1984. |
| [Ref1] | R. Rannacher. Finite element solution of diffusion problems with irregular data, Numerische Mathematik, 43, pp. 309-327, 1984. |
