Knotted doughnuts and other mathematical entertainments /
Gardner, Martin, 1914-
Knotted doughnuts and other mathematical entertainments / Martin Gardner. - New York : W.H. Freeman, c1986. - xii, 278 p. : ill.
0716717999 (pbk.) 0716717948 (hard)
Mathematical recreations.
793.7/4�19
Knotted doughnuts and other mathematical entertainments / Martin Gardner. - New York : W.H. Freeman, c1986. - xii, 278 p. : ill.
0716717999 (pbk.) 0716717948 (hard)
Mathematical recreations.
793.7/4�19