外刊部分论文摘要

1 Zhang Fuji and Guo Xiaofeng(张福基、郭晓峰), HamiltonCycles in Euler Toux Graph,Combinatorial Theory, Series B,Vol. 40, No. 1, 1986, 1--8.Abstract In this paper we define the Eulertour graph of an Eulerian graph byk-transformations, which was intro-duced by kotzig in 1966 (in "Theory