[1] S. T. Hedetniemi:
Graphs of $(0, 1)$-matrices. In: Recent Trends in Graph Theory (ed. by M. Capobianco, J. B. Frechen, and M. Krolik). Springer-Verlag, Berlin-Heidelberg- New York 1971, 157-171.
MR 0280400 |
Zbl 0217.31206
[2] R. S. Ledley: Digital computer and control engineering. McGraw-Hill, New York-Toronto-London 1960.
[3] R. S. Ledley:
Programming and utilizing digital computers. McGraw-Hill, New York-Toronto-London 1962.
Zbl 0121.34803
[4] S. Rudeanu:
On Boolean matrix equations. Rev. Roum. Math. Pures et Appl. XVII (1972), 7, 1075-1090.
MR 0320029 |
Zbl 0259.06011