Minimal strong digraphs. (English)
Discrete Math. 312, No. 4, 737-744 (2012).
1
Algebraic constructions of the minimal forbidden digraphs of strong sign nonsingular matrices. (English)
Linear Algebra Appl. 317, No.1-3, 1-12 (2000).
2
Bounds of the longest directed cycle length for minimal strong digraphs. (English)
Discrete Math. 68, No. 1, 9-13 (1988).
3
On minimal strong blocks. (English)
J. Graph Theory 3, 213-219 (1979).
4