@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20190319-091908577,
    title = "Proceedings of 1994 33rd IEEE Conference on Decision and Control",
    chapter = "Differential flatness and absolute equivalence",
    year = "1994",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20190319-091908577",
    id = "record",
    isbn = "0-7803-1968-0",
    doi = "10.1109/CDC.1994.410908"
}