@article{DAN_1970_195_2_a13,
     author = {V. N. Zharkov and V. P. Trubitsyn and A. A. Kalachnikov},
     title = {On the calculation of $J_6$ gravitational moment of {Jupiter} and {Saturn}},
     journal = {Doklady Akademii Nauk},
     pages = {311--314},
     publisher = {mathdoc},
     volume = {195},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_2_a13/}
}