[MathOuvrage]
Applied combinatorial mathematics
/ Polya, George ; Lehmer, D.H. ; Phister, M. ; Riordan, J. ; Montroll, E.W. ; De Bruijn, N.G. ; Harary, Frank ; Bellman, Richard E. ; Weyl, Hermann ; Ed. Beckenbach, Edwin F..
-New York : John Wiley, 1964. - xxi, 608
[MathOuvrage]
Distance in graphs
/ Buckley, F. ; Harary, Frank.
-Reading : Addison-Wesley, 1990. - xiii, 335