000 00311nam a2200121Ia 4500
008 221001s1967 xx 000 0 eng d
082 _a512 SHA
100 _aShanti Narayan
245 0 _aElements of elementary algebraic structures
260 _aDelhi
_bS. Chand
_c1967
300 _aviii, 127p.
942 _2ddc
_cBK
999 _c3737
_d3737