@article{GDZPPN000365807, title = {A Gallai-Type Transversal Problem in the Plane.}, journal = {Discrete \& computational geometry}, volume = {10}, year = {1993}, pages = {203-214}, zbl = {0772.52002}, url = {http://dml.mathdoc.fr/item/GDZPPN000365807} }
Eckhoff, J. A Gallai-Type Transversal Problem in the Plane.. Discrete & computational geometry, Tome 10 (1993) pp. 203-214. http://gdmltest.u-ga.fr/item/GDZPPN000365807/