Uniform convergence analysis of finite difference approximations for singular perturbation problems on an adapted grid.

Yanping Chen Uniform convergence analysis of finite difference approximations for singular perturbation problems on an adapted grid. 197-212 2006 24 Adv. Comput. Math. 1-4 http://dx.doi.org/10.1007/s10444-004-7641-0 db/journals/adcm/adcm24.html#Chen06