TY  - BOOK
AU  - Giacaglia,Giorgio E.O.
TI  - Perturbation methods in non-linear systems
SN  - 0387900543 :
U1  - 513.82 
PY  - 1972///
CY  - New York
PB  - Springer-Verlag
KW  - Differential equations, Nonlinear
KW  - Perturbation (Mathematics)
N1  - Includes bibliographical references and index
ER  -