TY - BOOK AU - Dong Chongying AU - Lepowsky James TI - Generalized vertex algebras and relative vertex operators T2 - Progress in mathematics; 112 SN - 0817637214 (hbd) U1 - B2-316, N3 PY - 1993/// CY - Boston PB - Birkhauser KW - Algebra KW - Algebraic topology KW - Mathematics N1 - Index 201-202p ER -