[2] R.C. Bose T. Shimamoto:
Classification and analysis of partially balanced incomplete block design with two association classes. J. Amer. Stat. Assn. 47 (1952), 151-184.
MR 0048772
[3] R. C Bose D. M. Messner:
On linear associative algebras corresponding to association schemes of partially balanced designs. Ann. Math. Statist. 30 (1959), 21-36.
MR 0102157
[4] L. Collatz U. Sinogowitz:
Spektren endlicher Graphen. Abh. Math. Sem. Univ. Hamburg 21 (1957), 63-77.
MR 0087952
[5] D. M. Cvetković:
Graphs and their spectra. Univ. Beograd Publ. Elektroteh. Fak., Ser. Mat. Fiz., No. 354 - No. 356 (1971), 1-50.
MR 0299508
[6] D. M. Cvetković M. Doob H. Sachs:
Spectra of graphs. Deutscher Verlag der Wissenchaften, Berlin, 1980.
MR 0572262
[7] D. M. Cvetković M. Doob: Root systems, forbidden subgraphs and spectral characterization of line graphs. Proceedings of the Fourth Yugoslav Seminar on Graph Theory, Novi Sad, 1983.
[8] M. Doob:
Graphs with a small number of distinct eigenvalues. Ann. New York Acad. Sci. 175 (1970), 1, 104-110.
MR 0263674 |
Zbl 0241.05112
[10] H. A. Jung:
Zu einem Isomorphiesatz von Whitney für Graphen. Math. Ann. 164 (1966), 270-271.
MR 0197353
[12] H. Sachs:
Über Teiler, Faktoren und charakteristische Polynome von Graphen. Teil II., Wiss. Z. TH Ilmenau 13 (1967), 405-412.
MR 0245466 |
Zbl 0162.27803
[13] J. H. Smith:
Some properties of the spectrum of a graph. Comb.Struct, and their Applic., Gordon and Breach, Sci. Publ. Inc., New York-London-Paris 1970, 403-406.
MR 0266799 |
Zbl 0249.05136