00353nam a2200133Ia 4500020001800000082002000018100002100038245005900059260002900118300002700147490003500174500000500209700000500214  a9780817645243  a515.72bB739.ST  aBorthwick, David  aSpectral theory of infinite-area hyperbolic surfacesb  aBostonbBirkhauserc2007  axi, 355p. Bibl. Index.  aProgress in Mathematics v 256  a  a