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@article{TRSPY_1984_163_a8, author = {A. B. Venkov}, title = {The automorphic scattering matrix for the {Hecke} group $\Gamma(2\cos\pi/q)$}, journal = {Informatics and Automation}, pages = {32--36}, publisher = {mathdoc}, volume = {163}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_163_a8/} }
A. B. Venkov. The automorphic scattering matrix for the Hecke group $\Gamma(2\cos\pi/q)$. Informatics and Automation, International conference on analytical methods in number theory and analysis, Tome 163 (1984), pp. 32-36. http://geodesic.mathdoc.fr/item/TRSPY_1984_163_a8/