@article{NUMA_1986__50_133135,
     author = {Eugene O'Riordan and Martin Stynes},
     title = {A {Finite} {Element} {Method} for a {Singularly} {Perturbed} {Boundary} {Value} {Problem.}},
     journal = {Numerische Mathematik},
     pages = {1--16},
     publisher = {mathdoc},
     volume = {50},
     year = {1986},
     zbl = {0583.65054},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__50_133135/}
}