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@article{PDA_1979_9_1_a8, author = {J. L. Simovljevitch}, title = {Estimate of {Perturbation} {Effects} of {Asteroid} {Orbits} {During} {Proximity}}, journal = {Publications of the Department of Astronomy}, pages = {75 - 78}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/PDA_1979_9_1_a8/} }
J. L. Simovljevitch. Estimate of Perturbation Effects of Asteroid Orbits During Proximity. Publications of the Department of Astronomy, Tome 9 (1979) no. 1. http://geodesic.mathdoc.fr/item/PDA_1979_9_1_a8/