@book{ BA47849193, author = "NATO Advanced Study Institute on Gauge Theory and the Early Universe and Hazewinkel, Michiel and Gerstenhaber, Murray and NATO Advanced Study Institute on Deformation Theory of Algebras and Structures and Applications", title = "Deformation theory of algebras and structures and applications", publisher = "Kluwer Academic Publishers", year = "1988", series = "NATO ASI series", number = "ser. C . Mathematical and physical sciences ; v. 247", URL = "https://ci.nii.ac.jp/ncid/BA47849193" }