TY  - BOOK
AU  - Egorov ,Yu.V.
AU  - Shubin, M. A.
TI  - Foundations of The Classical Theory of Partial Differential Equations
SN  - 9783540638254
U1  - 515.353 
PY  - 1988///
CY  - New York
PB  - Springer Verlag Berlin Heidelberg
ER  -