@article{AFM_1972_501-520_a4,
     author = {Matti Linna},
     title = {Finite power property of regular languages},
     journal = {Annales Fennici Mathematici},
     publisher = {mathdoc},
     volume = {501-520},
     year = {1972},
     doi = {10.5186/aasfm.1972.516},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1972.516/}
}