TY  - GEN
AU  - Johnson,D.L
TI  - Presentations of groups
SN  - 0521372038
U1  - 512/.2 
PY  - 1990///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Presentations of groups (Mathematics)
N1  - Contine bibliogr. si index
ER  -