TY  - BOOK
AU  - Dubrovin, B.A.
TI  - Graduate Texts in Mathematics: Modern Geometry- Methods and Applications 
SN  - 0387972714
U1  - 516 DUB 
PY  - 1984///
CY  - .- New York 
PB  - : Springer 
KW  - Mathematics
KW  - Modern Geomatry
ER  -