@article{GDZPPN002440938, title = {Eight-secant conics for space curves.}, journal = {Mathematische Zeitschrift}, volume = {209}, year = {1992}, pages = {609-626}, zbl = {0759.14042}, url = {http://dml.mathdoc.fr/item/GDZPPN002440938} }
Johnsen, Trygve. Eight-secant conics for space curves.. Mathematische Zeitschrift, Tome 209 (1992) pp. 609-626. http://gdmltest.u-ga.fr/item/GDZPPN002440938/