TY  - BOOK
AU  - Ilʹi︠a︡shenko, I︠U︡. S.; Yakovenko, S.
TI  -  Lectures on analytic differential equations
SN  - 9780821836675
AV  - QA372 
PY  - 2008///
CY  - USA
PB  - AMS
ER  -