TY  - BOOK
AU  - IIyashenko, Yulij  .
TI  - Lectures on analytic differential equations / 
SN  - 978-0-8218-3667-5
U1  - B33 
PY  - 2008///
CY  - Providence : 
PB  - American Mathematical Society , 
KW  - Riemann-Hilbert problems
ER  -