@article{lmcs:1221,
    title      = {Regular Cost Functions, Part I: Logic and Algebra over Words},
    author     = {Thomas Colcombet},
    url        = {https://lmcs.episciences.org/1221},
    doi        = {10.2168/LMCS-9(3:3)2013},
    journal    = {Logical Methods in Computer Science},
    issn       = {1860-5974},
    volume     = {Volume 9, Issue 3},
    eid        = 3,
    year       = {2013},
    month      = {Aug},
    keywords   = {Computer Science - Formal Languages and Automata Theory},
}