@ARTICLE{Musial_J._Algorithms_2016, author={Musial, J. and Pecero, J.E. and Lopez-Loces, M.C. and Fraire-Huacuja, H.J. and Bouvry, P. and Blazewicz, J.}, volume={64}, number={No 3}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={505-516}, howpublished={online}, year={2016}, title={Algorithms solving the Internet shopping optimization problem with price discounts}, URL={http://journals.pan.pl/Content/84537/PDF/10.1515bpasts-2016-0056.pdf}, doi={10.1515/bpasts-2016-0056}, }