TY  - BOOK
AU  - Komech, A. I
AU  - Komech, Andrew
TI  - Principles of partial differential equations
SN  - 9781493976294
U1  - 515.353 KOM 
PY  - 2018///
CY  - New Delhi : 
PB  - Springer.
KW  - Differential equations
KW  - Mathematics
ER  -