TY  - BOOK
AU  - SINGH,S.S.
AU  - DUBEY,S.K.D.& OTHERS,1
TI  - A TEXTBOOK OF ABSTRACT ALGEBRAIC SYSTEM
U1  - 512.02 
PY  - 2011///
CY  - NEW DELHI
PB  - WISDOM PRESS
KW  - ABSTRACT ALGEBRA
ER  -