@other{https://resolver.caltech.edu/CaltechETD:etd-11162005-082219,
    title = "Application of the two variable expansion procedure to the commensurable planar restricted three-body problem",
    year = "1966",
    url = "https://resolver.caltech.edu/CaltechETD:etd-11162005-082219",
    id = "record",
    doi = "10.7907/PYNV-5723"
}