@article{GDZPPN001178385, title = {Finite Element Solution of Diffusion Problems with Irregular Data.}, journal = {Numerische Mathematik}, volume = {44}, year = {1984}, pages = {309-328}, zbl = {0512.65082}, url = {http://dml.mathdoc.fr/item/GDZPPN001178385} }
Rannacher, Rolf. Finite Element Solution of Diffusion Problems with Irregular Data.. Numerische Mathematik, Tome 44 (1984) pp. 309-328. http://gdmltest.u-ga.fr/item/GDZPPN001178385/