Tutte, W. T. Graph theory as I have known it / W. T. Tutte. - [S.l.] : Oxford University Press, USA, 1998. - 168 p. ; 25 cm. - Oxford lecture series in mathematics and its applications. . - Oxford lecture series in mathematics and its applications. . ISBN: 0198502516 9780198502517 Dewey Class. No.: 511.5