TY  - BOOK
AU  - Komech, A. I.
AU  - Komech, Andrew
TI  - Principles of partial differential equations: _
T2  - Problem books in mathematics
SN  - 9781493976294
U1  - 515.353 
PY  - 2018///
CY  - New York
PB  - Springer
KW  - 
KW  - Mathematics
KW  - Mathematical analysis
KW  - Differential equations
KW  - Differential equations, Partial
ER  -