000 00490nmm a2200133Ia 4500
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020 _a9781470401405 (online)
100 _aGilman, Jane
245 0 _aTwo-generator discrete subgroups of PSL (2, R)
260 _aProvidence, R.I. :
_bAmerican Mathematical Society,
_cc1995.
300 _a1 online resource (x, 204 p. : ill.)
490 _aMemoirs of the American Mathematical Society,
_x1947-6221 ;
856 _uhttp://www.ams.org/memo/0561
999 _c34572
_d34572