Nishinari, Katsuhiro Tondemonaku yaku ni tatsu sugaku / Very helpful Mathematics Katsuhiro Nishinari - 9 na. ed. - Tokyo : KADOKAWA 2014 - 241 p. : diagr. ; 15 cm ISBN: 9784044094768 Subjects--Topical Terms: MATEMÁTICAS Dewey Class. No.: 510