TY  - BOOK
AU  - Petrovsky, IG
AU  - Shenitzer, A
TI  - Lectures on partial differential equations
SN  - 9780486669021
U1  - 517.95 
PY  - 1991///
CY  - New Work
PB  - Dover
KW  - HYPERBOLIC EQUATIONS
KW  - PARTIAL DIFFERENTIAL EQUATIONS
N1  - Ref. sec
ER  -