TY - JOUR AU - J. Lazović TI - Contribution to the Proximity Determination of non-Quasicomplanar Elliptical Orbits of Celestial Bodies JO - Publications of the Department of Astronomy PY - 1980 SP - 43 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDA_1980_10_a5/ LA - en ID - PDA_1980_10_a5 ER -