@incollection{Sakarovitch,
    doi = {10.1007/bfb0023848},
    url = {https://doi.org/10.1007%2Fbfb0023848},
    publisher = {Springer-Verlag},
    pages = {460--473},
    author = {Jacques Sakarovitch},
    title = {The {\textquotedblleft}last{\textquotedblright} decision problem for rational trace languages},
    booktitle = {{LATIN} {\textquotesingle}92}
}

@incollection{Sakarovitch, doi = {10.1007/bfb0023848}, url = {https://doi.org/10.1007%2Fbfb0023848}, publisher = {Springer-Verlag}, pages = {460--473}, author = {Jacques Sakarovitch}, title = {The {\textquotedblleft}last{\textquotedblright} decision problem for rational trace languages}, booktitle = {{LATIN} {\textquotesingle}92} }