TY  - BOOK
AU  - Komech Alexander
AU  -  Komech Andrew
TI  - Principles of partial differential equations
T2  - Problem books in mathematics
SN  - 9781441910950 (hbd)
U1  - B334, P9   TB 
PY  - 2009///
CY  - New York 
PB  - Springer      
KW  -  Differential equations
KW  - Mathematics
N1  - References 159-160p.; Index 161p
ER  -