@article{Havik2000b, author = {E. D. Havik and W. Hoffmann and P. W. Hemker}, doi = {10.1007/s006070070004}, issn = {0010-485X}, journal = {Computing}, number = {4}, pages = {339-356}, title = {Application of the over-set grid technique to a model singular perturbation problem}, volume = {65}, year = {2000} }