Cristina Bazgan Hadrien Hugot Daniel Vanderpooten A Practical Efficient Fptas for the 0-1 Multi-objective Knapsack Problem. 717-728 2007 conf/esa/2007 ESA http://dx.doi.org/10.1007/978-3-540-75520-3_63 db/conf/esa/esa2007.html#BazganHV07