TY  - BOOK
AU  - Chent︠s︡ov, A. G
AU  - Morina, S. I
TI  - Extensions and relaxations
SN  - 9781402005794
SN  - 200228358
U1  - 514 CHE 
PY  - 2002///
CY  - Dordrecht ; London
PB  - Kluwer Academic
KW  - Group extensions (Mathematics)
KW  - Topological dynamics
KW  - Topological spaces
N1  - Includes bibliographical references and index
ER  -