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A higher-order method for nonlinear singular two-point boundary value problems. Furati, K.M.; El-Gebeily, M.A. — 2002 International Journal of Mathematics and Mathematical Sciences
A Galerkin method of O ( h 2 ) for singular boundary value problems. Beg, G.K.; El-Gebeily, M.A. — 2002 International Journal of Mathematics and Mathematical Sciences