Max-Balanced Flows. - Michael H. Schneider; Mark E. Hartmann; Hans Schneider (IPCO, 1990)

An analogue of Hoffman's circulation conditions for max-balanced flows. - Mark E. Hartmann; Michael H. Schneider (Math. Program., 1992)

Flow symmetry and algebraic flows. - Mark E. Hartmann; Michael H. Schneider (ZOR Methods Model. Oper. Res., 1993)

Balancing Problems in Acyclic Networks. - Endre Boros; Peter L. Hammer; Mark E. Hartmann; Ron Shamir (Discret. Appl. Math., 1994)

Max-balanced flows in oriented matroids. - Mark E. Hartmann; Michael H. Schneider (Discret. Math., 1995)

Integral bases and p-twisted digraphs. - Mark E. Hartmann; Hans Schneider; Michael H. Schneider (Eur. J. Comb., 1995)

On the Chvátal Rank of Certain Inequalities. - Mark E. Hartmann; Maurice Queyranne; Yaoguang Wang (IPCO, 1999)

On the Chvátal Rank of Polytopes in the 0/1 Cube. - Alexander Bockmayr; Friedrich Eisenbrand; Mark E. Hartmann; Andreas S. Schulz (Discret. Appl. Math., 1999)

Solving the Traveling Circus Problem by Branch & Cut. - Mark E. Hartmann; Özgür Özlük (Electron. Notes Discret. Math., 1999)

Facets of the p-cycle polytope. - Mark E. Hartmann; Özgür Özlük (Discret. Appl. Math., 2001)