@article{ZNSL_1982_115_a3,
     author = {V. S. Buslaev and E. A. Rybakina},
     title = {Trace formula in {Hamiltonian} mechanics},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {40--60},
     year = {1982},
     volume = {115},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1982_115_a3/}
}