@book{https://resolver.caltech.edu/CaltechBOOK:1985.002,
    title = "Student's guide to Calculus by J. Marsden and A. Weinstein, Volume I",
    url = "https://resolver.caltech.edu/CaltechBOOK:1985.002",
    id = "record",
    isbn = "0387962077"
}


@book{https://resolver.caltech.edu/CaltechBOOK:1985.004,
    title = "Student's guide to Calculus by J. Marsden and A. Weinstein, Volume II",
    url = "https://resolver.caltech.edu/CaltechBOOK:1985.004",
    id = "record",
    isbn = "0387962344"
}


@book{https://resolver.caltech.edu/CaltechBOOK:1985.006,
    title = "Student's guide to Calculus by J. Marsden and A. Weinstein, Volume III",
    url = "https://resolver.caltech.edu/CaltechBOOK:1985.006",
    id = "record"
}