TY  - BOOK
AU  -  Lakshmikantham, V.
AU  - Deo, S. G.
TI  - Method of variation of parameters for dynamic systems
SN  - 9780367844769
U1  - 515.35 
PY  - 2020///
CY  - New York
PB  - CRC Press
KW  - Dynamic systems
ER  -