@article{PDA_1985_13_1_a0,
     author = {J. Lazovi\'c},
     title = {Change in the {Mutual} {Distance} of {Celestial} {Bodies} {Resulting} {From} {Changes} in {Some} of {Their}},
     journal = {Publications of the Department of Astronomy},
     pages = {5 - 11},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1985},
     url = {http://geodesic.mathdoc.fr/item/PDA_1985_13_1_a0/}
}