{
    "query": {
        "category": "Mathematics",
        "publication_date": "1982-02",
        "nr_of_items": 1
    },
    "items": [
        {
            "title": "Lagrangian Analysis and Quantum Mechanics",
            "subtitle": "A Mathematical Structure Related to Asymptotic Expansions and the Maslov Index",
            "author": "by Jean Leray",
            "isbn": "9780262120876",
            "publisher": "MIT Press",
            "link_to_publisher": "https:\/\/mitpress.mit.edu\/9780262120876\/lagrangian-analysis-and-quantum-mechanics"
        }
    ]
}