TY - BOOK AU - Lorenz,Jens TI - Nonlinear singular parturbation problems and the engquist-Osher difference scheme AV - QA3.R46 no.8115 PY - 1981/// CY - Nijmegen PB - Catholic University, Department of Mathematics KW - Perturbation (Mathematics) KW - Singularities KW - Difference equations N1 - Bibliography: p.31 ER -