@article{1029003478, author = {Barnard, Roger W. and Lewis, John L.}, title = {On the omitted area problem.}, journal = {Michigan Math. J.}, volume = {34}, number = {1}, year = {1987}, pages = { 13-22}, language = {en}, url = {http://dml.mathdoc.fr/item/1029003478} }
Barnard, Roger W.; Lewis, John L. On the omitted area problem.. Michigan Math. J., Tome 34 (1987) no. 1, pp. 13-22. http://gdmltest.u-ga.fr/item/1029003478/