@Article{Lif89,
    Author       = "Lifschitz, V.",
    Year         = "1989",
    Title        = "{What is the Inverse Method?}",
    Journal      = "Journal of Automated Reasoning",
    Volume       = "5",
    Number       = "1",
    Pages        = "1-24",
    Comment      = "TPTPRef, general reasoning"
}