1.
 |  | Title: Emerging Applications of Number Theory (Ima Volumes in Mathematics and Its Applications, Vol 109) by Dennis A. Hejhal, Joel Friedman, Martin C. Gutzwiller, Andrew M. Odlyzko ISBN: 0387988246 Publisher: Springer-Verlag Telos Pub. Date: 01 July, 1999 List Price: $110.00 Amazon.com Price: $110.00 |
2.
 |  | Title: Theta Functions, Kernel Functions, and Abelian Integrals (Memoirs of the American Mathematic Society, Number 129) by Dennis A. Hejhal ISBN: 9999082025 Publisher: Amer Mathematical Society Pub. Date: 01 November, 1972 List Price: $12.00 Amazon.com Price: $12.00 |
3.
 |  | Title: The Selberg trace formula for PSL (2, IR) (Lecture notes in mathematics) by Dennis A Hejhal ISBN: 0387079882 Publisher: Springer-Verlag Pub. Date: 1976 List Price: $26.00 Amazon.com Price: $26.00 |
4.
 |  | Title: Eigenvalues of the Laplacian for Hecke Triangle Groups (Memoirs of the American Mathematical Society, 469) by Dennis A. Hejhal ISBN: 0821825291 Publisher: Amer Mathematical Society Pub. Date: 01 July, 1992 List Price: $29.00 Amazon.com Price: $29.00 |
5.
 |  | Title: Regular B-Groups, Degenerating Riemann Surfaces, and Spectral Theory (Memoirs of the American Mathematical Society, 437) by Dennis A. Hejhal ISBN: 0821824996 Publisher: Amer Mathematical Society Pub. Date: 01 November, 1990 List Price: $21.00 Amazon.com Price: $21.00 |
6.
 |  | Title: The Selberg Trace Formula and Related Topics: Proceedings (Contemporary Mathematics, Vol 53) by Dennis A. Hejhal, Peter Sarnak, Audrey Anne Terras ISBN: 082185058X Publisher: Bell & Howell Information & Lea Pub. Date: 01 August, 1986 List Price: $174.90 Amazon.com Price: $174.90 |