The hull number of an oriented graph. Chartrand, Gary; Fink, John Frederick; Zhang, Ping — 2003 International Journal of Mathematics and Mathematical Sciences
Every graph is an induced isopart of a circulant John Frederick Fink; Sergio Ruiz — 1986 Czechoslovak Mathematical Journal
On isopart parameters of complete bipartite graphs and n -cubes Richard M. Davitt; John Frederick Fink; Michael S. Jacobson — 1985 Mathematica Slovaca