TY  - GEN
AU  - Logan,J.David
TI  - An introduction to nonlinear partial differential equations
T2  - Pure and applied mathematics: a wiley series of texts, monographs and tracts
SN  - 0470225955
U1  - 515.353 
PY  - 1994///
CY  - [S.l.]
PB  - Wiley-Interscience
ER  -