@article{DAN_1990_310_2_a15,
     author = {A. G. Fatianov},
     title = {A semi-analytic method for solving direct dynamical problems in},
     journal = {Doklady Akademii Nauk},
     pages = {323--327},
     publisher = {mathdoc},
     volume = {310},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_2_a15/}
}