000 00504nmm a2200133Ia 4500
008 240103s9999||||xx |||||||||||||||||und||
020 _a9781470408954 (online)
100 _aHejhal, Dennis A.
245 0 _aEigenvalues of the Laplacian for Hecke triangle groups
260 _aProvidence, R.I. :
_bAmerican Mathematical Society,
_cc1992.
300 _a1 online resource (vi, 165 p. : ill.)
490 _aMemoirs of the American Mathematical Society,
_x1947-6221 ;
856 _uhttp://www.ams.org/memo/0469
999 _c34480
_d34480