TY  - GEN
AU  - Lieberstein,H.Melvin
TI  - Theory of partial differential equations
SN  - 0124495508
AV  - QA374 
U1  - 515.353 
PY  - 1972///
CY  - New York
PB  - Academic Press
KW  - Partial differential equations
N1  - Bibliografie p. 264
Index p. 267

ER  -