000 00591nam a2200205Ii 4500
001 4236
003 CO-ViMGA
008 241108s9999||||xx |||||||||||||| ||und||
040 _aCO-ViMGA
_bspa
_erda
_cCO-ViMGA
041 0 _aspa
082 0 4 _a512.1 N277s
110 1 _aNational Concil of teachers of Mathematics,
_953160
245 1 0 _aEl Sistema de los enteros
264 1 _aMéxico : Trillas, 1970
300 _avolumen
336 _atext
_btxt
_2rdacontent
337 _aunmediated
_bn
_2rdamedia
338 _avolume
_bnc
_2rdacarrier
940 _aidficha_siabuc: 4142. -- ficha_no_siabuc:4236
999 _c49347
_d49347