@article{MM_2007_19_12_a6,
     author = {T. E. Churkina},
     title = {On special case of satellite plane motion an elliptic orbit},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {63--69},
     publisher = {mathdoc},
     volume = {19},
     number = {12},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2007_19_12_a6/}
}