TY  - DATA
AU  -  HOFFMANN,  SPREKELS
TI  - Free Boundary Value Problems
SN  - 9783034873017
PY  - 1990///
PB  - Birkhäuser Basel
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-0348-7301-7
ER  -