Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{DCG_1990__5_2_131107, author = {W. Kern and A. Wanka}, title = {On a {Problem} {About} {Covering} {Lines} by {Squares.}}, journal = {Discrete & computational geometry}, pages = {77--82}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1990}, zbl = {0691.52011}, url = {http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131107/} }
W. Kern; A. Wanka. On a Problem About Covering Lines by Squares.. Discrete & computational geometry, Tome 5 (1990) no. 2, pp. 77-82. http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131107/