@article{PDA_1980_10_a5,
     author = {J. Lazovi\'c},
     title = {Contribution to the {Proximity} {Determination} of {non-Quasicomplanar} {Elliptical} {Orbits} of {Celestial} {Bodies}},
     journal = {Publications of the Department of Astronomy},
     pages = {43 },
     publisher = {mathdoc},
     volume = {10},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDA_1980_10_a5/}
}