@article{DAN_1986_287_4_a9,
     author = {V. G. Gurzadyan and A. A. Kocharyan},
     title = {Stochasticity and regularity of disc-shaped stellar systems},
     journal = {Doklady Akademii Nauk},
     pages = {813--817},
     year = {1986},
     volume = {287},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_287_4_a9/}
}