000 00323nam a2200133Ia 4500
001 11271
008 220811s1970 ###||||g |||| ||spa d
082 _a517.31
_bY94
100 _aTakeuchi, Yu
_952364
245 0 _aIntegral de Lebesgue
264 _c1970
942 _cBK
_2ddc
035 _a517.31 -Y94-Integral de Lebesgue-
999 _c40752
_d40752