TY - JOUR AU - Rolf Rannacher TI - Finite Element Solution of Diffusion Problems with Irregular Data. JO - Numerische Mathematik PY - 1984 SP - 309 EP - 328 VL - 43 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1984__43_132904/ ID - NUMA_1984__43_132904 ER -