@article{urn:eudml:doc:38365, title = {On the derivation of a first-order canonical set of hyperbolic Delaunay-type elements.}, journal = {Extracta Mathematicae}, volume = {8}, year = {1993}, pages = {49-53}, zbl = {1147.70312}, mrnumber = {MR1270329}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38365} }
Floría, Luis. On the derivation of a first-order canonical set of hyperbolic Delaunay-type elements.. Extracta Mathematicae, Tome 8 (1993) pp. 49-53. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38365/