TY  - BOOK
AU  - Isaev, Alexander  .
TI  - Spherical tube hypersurfaces / 
SN  - 978-3-642-19782-6
U1  - B392L 
PY  - 2011///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Mathematics- Spherical tube
ER  -