TY  - BOOK
AU  - Dubrovin, B.
AU  - Fomenko, A.
AU  - Vovikov, S.
TI  - Modern Geometry - Methods and Applications : The Geometry of Surfaces, Transformation Groups and Fields
SN  - 0387908722
PY  - 1984///
CY  - New York
PB  - Springer-Verlag
ER  -