@article{PDA_1981_11_a7,
     author = {J. Lazovi\'c and M. Kuzmanovski},
     title = {Estimates of the {Mutual} {Perturbations} in the {Orbital} {Elements} of {Some} {Interesting} {Quasicomplanar} {Minor} {Planets}},
     journal = {Publications of the Department of Astronomy},
     pages = {57 },
     publisher = {mathdoc},
     volume = {11},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDA_1981_11_a7/}
}