Geodesic
Asymptotics of eigenvalues of transmissions problems
Zapiski Nauchnykh Seminarov POMI, Boundary-value problems of mathematical physics and related problems of function theory. Part 16, Tome 138 (1984), pp. 137-145 
Yu. G. Safarov. Asymptotics of eigenvalues of transmissions problems. Zapiski Nauchnykh Seminarov POMI, Boundary-value problems of mathematical physics and related problems of function theory. Part 16, Tome 138 (1984), pp. 137-145. http://geodesic.mathdoc.fr/item/ZNSL_1984_138_a9/
@article{ZNSL_1984_138_a9,
     author = {Yu. G. Safarov},
     title = {Asymptotics of eigenvalues of transmissions problems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {137--145},
     year = {1984},
     volume = {138},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_138_a9/}
}
TY  - JOUR
AU  - Yu. G. Safarov
TI  - Asymptotics of eigenvalues of transmissions problems
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1984
SP  - 137
EP  - 145
VL  - 138
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1984_138_a9/
LA  - ru
ID  - ZNSL_1984_138_a9
ER  - 
%0 Journal Article
%A Yu. G. Safarov
%T Asymptotics of eigenvalues of transmissions problems
%J Zapiski Nauchnykh Seminarov POMI
%D 1984
%P 137-145
%V 138
%U http://geodesic.mathdoc.fr/item/ZNSL_1984_138_a9/
%G ru
%F ZNSL_1984_138_a9

Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

Asymptotics of eigenvalues of transmissions problems is studied by the method of wave equation. In case when set of periodic points of geodesic billiards has measure zero second term of asymptotics is computed.