TY  - BOOK
AU  - Schwabik,S.,et al
TI  - Differential & integral equations: boundary value problems & adjoints
T2  - Czechslovak academy of sciences
SN  - 9027708029
U1  - 10.02+10.08 
PY  - 1979///
CY  - Dordrecht
PB  - D. Reidel
ER  -