000 00227nam a2200121Ia 4500
654 _aMATH
100 _aLuis,B.B.
245 _aMathematices
260 _bLGC
_c1950
082 _bLUI
300 _a220p.
999 _c26693
_d26693
041 _aeng
546 _aText in English
300 _c23 cm.