TY - BOOK AU - Chang, K W AU - Howes, F A TI - Nonlinear singular pertrubation phenomena: Theory and applications U1 - 517.927 PY - 1984/// CY - New York PB - Springer-Verlag KW - advanced Calculus KW - Calculus KW - Differential equations KW - Mathematical sciences KW - Mathematics KW - Number theory KW - Set theory KW - Group theory ER -