@article{https://authors.library.caltech.edu/records/4zmxs-xq903,
    author = "Einstein, Albert and Tolman, Richard C. and Podolsky, Boris",
    title = "Knowledge of past and future in quantum mechanics",
    year = "1931",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:EINpr31",
    id = "https://authors.library.caltech.edu/records/4zmxs-xq903",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.37.780",
    volume = "37",
    number = "6",
    pages = "780-781"
}