RHETORIC AS SEDUCTIONKELLEY W. G. JR.PHILOSOPHY AND RHETORIC. 1973, Vol 6, Num 2, pp 69-80Article

Uniform approximation of singular perturbation problems having singular regular expansionsKELLEY, W. G.SIAM journal on mathematical analysis. 1989, Vol 20, Num 2, pp 479-493, issn 0036-1410Article

Boundary and interior layers for singularly perturbed boundary value problemsKELLEY, W. G.Nonlinear analysis. 1984, Vol 8, Num 12, pp 1455-1471, issn 0362-546XArticle