@article{VUU_2013_1_a9,
     author = {B. P. Kondratyev},
     title = {On the tidal force from the body circulating on an elliptic orbit},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {109--113},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_1_a9/}
}