Analytical and numerical approaches to asymptotic problems in analysis : proceedings of the Conference on Analytical and Numerical approaches to Asymptotic Problems, University of Nijmegen, the Netherlands, June 9-13, 1980 - Axelsson, O., 1934-; Frank, L. S. (Leonid S.), 1934-; Sluis, A. van der (Abraham) (North-Holland mathematics studies, 1981)