@article{05601582, title = {On the Graver complexity of codimension 2 matrices.}, journal = {Beitr\"age zur Algebra und Geometrie}, volume = {50}, year = {2009}, pages = {521-531}, zbl = {1195.14067}, language = {en}, url = {http://dml.mathdoc.fr/item/05601582} }
Nairn, Kristen A. On the Graver complexity of codimension 2 matrices.. Beiträge zur Algebra und Geometrie, Tome 50 (2009) pp. 521-531. http://gdmltest.u-ga.fr/item/05601582/