TY - BOOK AU - Bruno, Alexander D. AU - Courtney, S. C., tr. AU - Havingh, W., tr. TI - Local methods in nonlinear differential equations - P.I & II T2 - Springer Series in Soviet Mathematics SN - 3540189262 U1 - 515.355 PY - 1989/// CY - London PB - Springer-Verlag ER -