@article{ASUO_2014_XXII_2_a17,
     author = {Sergiu Lupu and Eugen Zaharescu},
     title = {EFFECTS {OF} {DIRECT} {AND} {INDIRECT} {SOLAR} {RADIATION} {PRESSURE} {IN} {ORBITAL} {PARAMETERS} {OF} {GPS}},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XXII},
     number = {2},
     year = {2014},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2014_XXII_2_a17/}
}