Geodesic
The projection method for singularly perturbed boundary value problems
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 7, pp. 1031-1044 
I. A. Blatov. The projection method for singularly perturbed boundary value problems. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 7, pp. 1031-1044. http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_7_a5/
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     title = {The projection method for singularly perturbed boundary value problems},
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     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_7_a5/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

A finite element method for linear and non-linear singularly perturbed boundary-value problems is considered. It is proved that the approximate solutions converge to the exact solution in the norm of the space of continuous functions, uniformly in the small parameter. The proposed scheme is suitable for solving a wider class of problems than can be handled by the popular “hinged element method”, and also produces a higher order of approximation.

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