000 00265nam a2200121Ia 4500
008 211209s1989 xx 000 0 und d
041 _aeng
082 _aGUP
100 _aGUPTA, R
245 _aVECTOR ALGEBRA
260 _bLAXMI PUBLICATION
_c1989
300 _a231
999 _c24813
_d24813