TY - BOOK AU - Rotman,Joseph J. TI - A first course in abstract algebra SN - 0133113744 AV - QA162 R67 1996 U1 - 512/.02 20 PY - 1996/// CY - Upper Saddle River, New Jersey PB - Prentice Hall KW - Álgebra abstracta N1 - Includes bibliographical references (p. 258) and index ER -