Graph theory /
Harary, Frank.
Graph theory / by Frank Harary ; with a foreword and an appendix on the Four Colour Theorem by V. Krishnamurthy. - New Delhi : Narosa Publishing House, 1969. - xi, 286 p. : il., 22 cm.
Includes index.
Includes bibliographical references : p.237-262.
8185015554 (pbk.)
Graph theory.
Graph theory / by Frank Harary ; with a foreword and an appendix on the Four Colour Theorem by V. Krishnamurthy. - New Delhi : Narosa Publishing House, 1969. - xi, 286 p. : il., 22 cm.
Includes index.
Includes bibliographical references : p.237-262.
8185015554 (pbk.)
Graph theory.