1. Minimal sum of product of sums expressions of Boolean functions;Abyankar;IRE Trans. Elec. Computers,1958
2. Truth Functions and the Problem of Their Realization by Two-Terminal Graphs;Adam,1968
3. On the problem of computation time and complexity of arithmetic functions;Avizienis,1969
4. The decomposition of switching functions;Ashenhurst;Ann. Computation Lab., Harvard Univ.,1959
5. A canonical method for synthesizing switching circuits;Blokh;Dokl, Rel. Ustr. Kon. Avt.,1962