@article{1102785057, author = {Breen, Marilyn}, title = {The dimension of the kernel of a planar set.}, journal = {Pacific J. Math.}, volume = {85}, number = {2}, year = {1979}, pages = { 15-21}, language = {en}, url = {http://dml.mathdoc.fr/item/1102785057} }
Breen, Marilyn. The dimension of the kernel of a planar set.. Pacific J. Math., Tome 85 (1979) no. 2, pp. 15-21. http://gdmltest.u-ga.fr/item/1102785057/