{
    "query": {
        "category": "Mathematics",
        "publication_date": "2006-12",
        "nr_of_items": 1
    },
    "items": [
        {
            "title": "Contact Geometry and Nonlinear Differential Equations",
            "subtitle": null,
            "author": "Alexei Kushner; Valentin Lychagin; Vladimir Rubtsov",
            "isbn": "9780521824767",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/geometry-and-topology\/contact-geometry-and-nonlinear-differential-equations?format=HB"
        }
    ]
}