@article{10_1007_s10492_009_0013_9,
     author = {Franz, Sebastian and Liu, Fang and Roos, Hans-G\"org and Stynes, Martin and Zhou, Aihui},
     title = {The combination technique for a two-dimensional convection-diffusion problem with exponential layers},
     journal = {Applications of Mathematics},
     pages = {203--223},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {2009},
     doi = {10.1007/s10492-009-0013-9},
     mrnumber = {2530539},
     zbl = {1212.65443},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0013-9/}
}