Algebra VII : combinatorial group theory applications to geometry / edited By A. N. Parshim [and] I. R. Shafarevich - London : Springer Verlag, 1990 - v. ; 21 cm. - Encyclopaedia Of Mathematical Sciences ; v. 58 . Library has vol. 7 Subjects--Topical Terms: Singularities (Mathematics)Geometry, Algebraic Dewey Class. No.: 512.2