@article{MTMT:2399336, title = {The language of primitive words in not regular: two simple proofs}, url = {https://m2.mtmt.hu/api/publication/2399336}, author = {Dömösi, Pál Béla and Horváth, Géza}, journal-iso = {BULL EATCS}, journal = {BULLETIN OF THE EUROPEAN ASSOCIATION FOR THEORETICAL COMPUTER SCIENCE}, volume = {87}, unique-id = {2399336}, issn = {0252-9742}, year = {2005}, pages = {191-197} } @inbook{MTMT:1130369, title = {Formal languages consisting of primitive words}, url = {https://m2.mtmt.hu/api/publication/1130369}, author = {Dömösi, Pál Béla and Horváth, S and Ito, M and Kászonyi, L and Katsura, M}, booktitle = {Fundamentals of Computation Theory}, doi = {10.1007/3-540-57163-9_15}, unique-id = {1130369}, year = {1993}, pages = {194-203} }