TY  - BOOK
AU  - Petrowsky,I.G
ED  - Oleinik, O.A (ed)
TI  - I.G. Petrowsky selected works, part I: systems of partial differential equations & algebraic geometry
T2  - Classics of soviet mathematics 5
SN  - 9782881249785
U1  - 21 
PY  - 1996///
CY  - Australia
PB  - Gordon & Breach
ER  -