Martin Klazar. On well quaasiordering of finite languages. Discrete Mathematics, 163(1-3):81-88, 1997. [doi]
@article{Klazar97:0, title = {On well quaasiordering of finite languages}, author = {Martin Klazar}, year = {1997}, doi = {10.1016/0012-365X(95)00311-J}, url = {http://dx.doi.org/10.1016/0012-365X(95)00311-J}, researchr = {https://researchr.org/publication/Klazar97%3A0}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {163}, number = {1-3}, pages = {81-88}, }