000 00483nam a2200193 4500
001 13681
008 110215s1956 a gr 000 0 spa u
040 0 _aUGC
_cUGC
041 0 _aspa
082 0 4 _218
_a511.7
245 1 0 _aIrrational numbers
250 _a1a ed.
260 _aNew York
_bThe Mathematical Association of America
_c1956
300 _a164 p
_bil.
650 1 4 _aNumeros
700 1 _aNiven, Ivan
942 _2ddc
_h511
_cBK
999 _c4288
_d4288
005 20190814122218.0