@article{PDA_1981_11_a8,
     author = {J. Lazovi\'c},
     title = {Determination of {Proximity} of {Elliptical} {Orbits} of {Celestial} {Bodies} by {Way} of {Eccentric} {Anomalies}},
     journal = {Publications of the Department of Astronomy},
     pages = {65 },
     publisher = {mathdoc},
     volume = {11},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDA_1981_11_a8/}
}