Three is easy, two is hard: open shop sum-batch scheduling problem refined

Irina V. Gribkovskaia, Chung-Yee Lee, Vitaly A. Strusevich, Dominique de Werra. Three is easy, two is hard: open shop sum-batch scheduling problem refined. Oper. Res. Lett., 34(4):459-464, 2006. [doi]

Abstract

Abstract is missing.