Knotted Doughnuts and Other Mathematical Entertainments
Gardner, Martin.
Knotted Doughnuts and Other Mathematical Entertainments - 1ST ed. - [S.l.] : W.H. Freeman, 1986. - 278 p. : col. ill. ;
0716717948 (hardcover) 9780716717942 (hardcover)
Mathematical recreations.
Knotted Doughnuts and Other Mathematical Entertainments - 1ST ed. - [S.l.] : W.H. Freeman, 1986. - 278 p. : col. ill. ;
0716717948 (hardcover) 9780716717942 (hardcover)
Mathematical recreations.