000 00296nam a2200121Ia 4500
008 220201s1986 xx 000 0 eng d
082 _a5.131
_bCOT
100 _aCotombi,B
245 0 _aMathematics and computers
260 _bGalgotia Publications
_aNew Delhi
_c1986
300 _a320
942 _2ddc
999 _c6559
_d6559