TY - JOUR AU - J. Lazović TI - Determination of Proximity of Elliptical Orbits of Celestial Bodies by Way of Eccentric Anomalies JO - Publications of the Department of Astronomy PY - 1981 SP - 65 EP - 73 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDA_1981_11_1_a8/ ID - PDA_1981_11_1_a8 ER -