@article{brzozowskiDerivativesRegularExpressions1964,
 title = {Derivatives of {Regular} {Expressions}},
 author = {Brzozowski, Janusz A.},
 year = {1964},
 doi = {10.1145/321239.321249},
 url = {https://dl.acm.org/doi/10.1145/321239.321249},
 urldate = {2024-04-29},
 journal = {Journal of the ACM},
 volume = {11},
 number = {4},
 pages = {481--494},
 month = {October},
 language = {en},
 issn = {0004-5411, 1557-735X}
}