TY - BOOK AU - Eckhaus W Ed. AU - De Jager E M Ed. ED - Conference on theory and applications of singular perturbations (1981 : Oberwolfach) TI - Proceeding on Theory and application of singular perturbations T2 - Lecture notes in mathematics 942; 942 U1 - B33p1,N81, M2 PY - 1982/// CY - Berlin PB - Springer-Verlag ER -