Previous |  Up |  Next

Article

References:
[1] BERGE C.: Théorie des graphes et ses applications. Paris 1958. MR 0155312
[2] BOSÁK J.: The graphs of semigroups. In: Theory of Graphs and Its Applications Proc. Symposium Smolenice, June 1963, Praha 1964. MR 0173718
Partner of
EuDML logo