@article{EJDE_2009__2009__a135, author = {Oh, Tadahiro}, title = {Diophantine conditions in global well-posedness for coupled {KdV-type} systems}, journal = {Electronic journal of differential equations}, year = {2009}, volume = {2009}, zbl = {1173.35664}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a135/} }