TY  - BOOK
AU  - Kreyszig, Erwin
TI  - Advanced engineering mathematics
SN  - 9788126554232
U1  - 510.2462 
PY  - 2017///
CY  - New Delhi
PB  - Wiley India
KW  - Existence and uniqueness of solutions. Wronskian
KW  - Solution by variation of parameters
N1  - includes appendix and indexes
ER  -