A polynomial algorithm for 2-degree cyclic robot scheduling.

Ada Che Chengbin Chu Eugene Levner A polynomial algorithm for 2-degree cyclic robot scheduling. 31-44 2003 145 European Journal of Operational Research 1 http://dx.doi.org/10.1016/S0377-2217(02)00175-3 db/journals/eor/eor145.html#CheCL03