TY - BOOK AU - Chang, K W AU - Howes, F. A. (jt. auth) TI - Nonlinear singular perturbation phenomena: :theory and applications SN - 038796066X U1 - 515.35 PY - 1984/// CY - New York PB - Springer-Verlag KW - Boundary value problems-Numerical solutions N1 - Includes bibliography and index ER -