@article{DAN_1957_115_6_a8,
     author = {E. P. Fedorov},
     title = {On the forces of interaction between the earth{\textquoteright}s core and shell due to the nutation},
     journal = {Doklady Akademii Nauk},
     pages = {1084--1087},
     publisher = {mathdoc},
     volume = {115},
     number = {6},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_6_a8/}
}