@article{PDA_1980_10_a1,
     author = {Ladislav Sehnal},
     title = {The {Radiation} {Pressure} and the {Motion} of the {Artificial} {Satellites}},
     journal = {Publications of the Department of Astronomy},
     pages = {15 },
     year = {1980},
     volume = {10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDA_1980_10_a1/}
}