Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio '"Unsolved problems in intuitive mathematics ;"', amser ymholiad: 0.05e Mireinio'r Canlyniadau
  1. 1
    gan Croft, Hallard T.
    Cyhoeddwyd 1991
    ...Unsolved problems in intuitive mathematics ;...
    Printed Book
  2. 2
    gan Guy, Richard K.
    Cyhoeddwyd 1981
    ...Unsolved problems in intuitive mathematics ;...
    Printed Book