TY  - BOOK
AU  - Saveliev, Nikolai
TI  - Lectures on the topology of  3-manifolds an introduction to the casson invariant
T2  - de Gruter textbook
SN  - 3110162725
U1  - 514.3. 
PY  - 1999///
CY  - Berlin
PB  - Walter de Gruyter
ER  -