TY  - DATA
AU  - Ivanov, N. V.
TI  - Subgroups of Teichmuller modular groups 
T2  - Translations of Mathematical Monographs, 
SN  - 9781470445263 (online)
PY  - 1992///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Foliations (Mathematics)
KW  - Group theory
KW  - Low-dimensional topology
KW  - Teichmuller spaces
N1  - Includes bibliographical references (p. 123-125) and index
UR  - https://doi.org/10.1090/mmono/115
ER  -