Two turning points of second order
SIAM Journal on Applied Mathematics
On an internal boundary layer problem
Journal of Computational and Applied Mathematics - Selected papers of the international symposium on applied mathematics, August 2000, Dalian, China
Handbook of Mathematical Functions, With Formulas, Graphs, and Mathematical Tables,
Handbook of Mathematical Functions, With Formulas, Graphs, and Mathematical Tables,
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In this paper, we study the singular perturbation problem@ep(x)u"x"x+2(x-a)(b-x)q(x)u"x-2su=0,0