TY  - BOOK
AU  - Akivis, Maks A. and Goldberg, Vladislav V.
AU  - Goldberg, Vladislav V;jt. auth
TI  - Differential geometry of varieties with degenerate gauss maps
T2  - CMS books in Mathematics 
SN  - 0387404635
U1  - 516 
PY  - 2004///
CY  - New York
PB  - Springer-Verlag
ER  -