CHERIYAN, J., & REIF, J. H. (1992). DIRECTED S-T NUMBERINGS, RUBBER BANDS, AND TESTING DIGRAPH KAPPA-VERTEX CONNECTIVITY. In PROCEEDINGS OF THE THIRD ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS (pp. 335–344).

CHERIYAN, J., and J. H. REIF. “DIRECTED S-T NUMBERINGS, RUBBER BANDS, AND TESTING DIGRAPH KAPPA-VERTEX CONNECTIVITY.” In PROCEEDINGS OF THE THIRD ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS, 335–44, 1992.

CHERIYAN J, REIF JH. DIRECTED S-T NUMBERINGS, RUBBER BANDS, AND TESTING DIGRAPH KAPPA-VERTEX CONNECTIVITY. In: PROCEEDINGS OF THE THIRD ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS. 1992. p. 335–44.

CHERIYAN, J., and J. H. REIF. “DIRECTED S-T NUMBERINGS, RUBBER BANDS, AND TESTING DIGRAPH KAPPA-VERTEX CONNECTIVITY.” PROCEEDINGS OF THE THIRD ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS, 1992, pp. 335–44.

CHERIYAN J, REIF JH. DIRECTED S-T NUMBERINGS, RUBBER BANDS, AND TESTING DIGRAPH KAPPA-VERTEX CONNECTIVITY. PROCEEDINGS OF THE THIRD ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS. 1992. p. 335–344.