TY  - BOOK
AU  - Walker, Kevin
ED  - Princeton University
TI  - An extension of Casson invariant
T2  - Annals of mathematics studies
SN  - 0691087660
AV  - QA613 W36
PY  - 1992///
CY  - Princeton, new jersey
PB  - Princeton University Press
KW  - Variedades tridimensionales (Topología)
KW  - Invariantes
ER  -