Geodesic
A numerical method for a~system of equations with a~small parameter and a~point source on an infinite interval
Sibirskij žurnal industrialʹnoj matematiki, Tome 8 (2005) no. 4, pp. 149-157

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A method for solving a boundary-value problem on an infinite interval is considered for a linear system of second-order ordinary differential equations with a small parameter at the highest derivatives and a point source. The question is addressed of reduction of this problem to a finite interval. A mesh, condensing in the boundary layer, is used for numerical solution of a system of singularly perturbed equations on a finite interval. 
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     author = {O. V. Kharina},
     title = {A numerical method for a~system of equations with a~small parameter and a~point source on an infinite interval},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {149--157},
     publisher = {mathdoc},
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     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2005_8_4_a11/}
}
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O. V. Kharina. A numerical method for a~system of equations with a~small parameter and a~point source on an infinite interval. Sibirskij žurnal industrialʹnoj matematiki, Tome 8 (2005) no. 4, pp. 149-157. http://geodesic.mathdoc.fr/item/SJIM_2005_8_4_a11/