@article{DAN_1968_182_2_a25,
     author = {K. P. Stanyukovich},
     title = {Equations of motion in the inner central symmetrical gravity field},
     journal = {Doklady Akademii Nauk},
     pages = {326--329},
     publisher = {mathdoc},
     volume = {182},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_182_2_a25/}
}