Geodesic
On the remainder term in the Weyl–Selberg asymptotic formula
Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 2, Tome 91 (1979), pp. 5-24 
A. B. Venkov. On the remainder term in the Weyl–Selberg asymptotic formula. Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 2, Tome 91 (1979), pp. 5-24. http://geodesic.mathdoc.fr/item/ZNSL_1979_91_a0/
@article{ZNSL_1979_91_a0,
     author = {A. B. Venkov},
     title = {On the remainder term in the {Weyl{\textendash}Selberg} asymptotic formula},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--24},
     year = {1979},
     volume = {91},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_91_a0/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

In the paper a refinement of the Weyl–Selberg asymptotic formula for arbitrary noncocompact Fucshian group of the first kind is given.