000 00277pas a2200097 454500
008 160820b1956 xxu||||| |||| 00| 0 eng d
022 _a
245 _aBOLETIN DE LA SOCIEDEED MATHEMATICA
260 _aMEXICO
_bSOCIEDED MATHEMATICA MAXICONA
_c1956
906 _a
_b
_c
_dJan - Dec,2008
999 _c472043
_d472043