00672nam a2200193Ia 4500 118823 BIBL 20160527184807.0 861118s1968 mx a b 00010 spa 510.76 793.74 N877 Northrop, Eugene P. (Eugene Purdy) 258970 Local Paradojas matemáticas Eugene P. Northrop ; traducción al español por Ricardo Ortiz Vazquez. México :U.T.H.A. c1968. xi, 355 p. illus., diagrs. Riddles in mathematics :a book of paradoxes. "Notes and references": p. 337-348. Mathematical recreations. 132754 Local 99498 99498 0 0 0 793_740000000000000_N877 0 evl 66456 10 10 1 2016-05-27 179886 0 793.74 N877 80000001276727 2016-05-27 00:00:00 r:118823 z:NCC:D 6