boros2007—Boros, Endre, Hammer, and Tavares. "Local search heuristics for quadratic unconstrained binary optimization (QUBO)." Journal of Heuristics 13 (2007)
li2012—Li, Sun, Liu. "An exact solution method for unconstrained quadratic 0-1 Programming." Journal of Global Optimization (2012)
pardalos1990—Pardalos, and Rodgers. "Computational aspects of a branch and bound algorithm for quadratic zero-one programming." Computing 45 (1990)