@article{M2AN_1990__24_2_235_0,
     author = {Risch, Uwe},
     title = {An upwind finite element method for singularly perturbed elliptic problems and local estimates in the $L^\infty $-norm},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {235--264},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {24},
     number = {2},
     year = {1990},
     mrnumber = {1052149},
     zbl = {0711.65092},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1990__24_2_235_0/}
}