@article{1102993954,
author = {Dulock, Victor A. and McIntosh, Harold V.},
title = {On the degeneracy of the Kepler problem.},
journal = {Pacific J. Math.},
volume = {19},
number = {3},
year = {1966},
pages = { 39-55},
language = {en},
url = {http://dml.mathdoc.fr/item/1102993954}
}
Dulock, Victor A.; McIntosh, Harold V. On the degeneracy of the Kepler problem.. Pacific J. Math., Tome 19 (1966) no. 3, pp. 39-55. http://gdmltest.u-ga.fr/item/1102993954/