@incollection{TaoRavikumar:ICALP:1991,
    Author = {Jiang, Tao and Ravikumar, B.},
    BookTitle = {ICALP},
    Editor = {Albert, Javier and Monien, Burkhard and Artalejo, Mario},
    Pages = {629--640},
    Publisher = {Springer-Verlag},
    Series = {LNCS},
    Title = {{Minimal {NFA} Problems are Hard}},
    Volume = {510},
    Year = {1991},
    bdsk-url-1 = {https://doi.org/10.1007/3-540-54233-7\%5C\_169},
    date-added = {2023-08-29 17:04:55 +0200},
    date-modified = {2023-08-29 17:05:12 +0200},
    doi = {10.1007/3-540-54233-7_169}
}

@incollection{TaoRavikumar:ICALP:1991, Author = {Jiang, Tao and Ravikumar, B.}, BookTitle = {ICALP}, Editor = {Albert, Javier and Monien, Burkhard and Artalejo, Mario}, Pages = {629--640}, Publisher = {Springer-Verlag}, Series = {LNCS}, Title = {{Minimal {NFA} Problems are Hard}}, Volume = {510}, Year = {1991}, bdsk-url-1 = {https://doi.org/10.1007/3-540-54233-7\%5C_169}, date-added = {2023-08-29 17:04:55 +0200}, date-modified = {2023-08-29 17:05:12 +0200}, doi = {10.1007/3-540-54233-7_169} }