@article{article89dd823b, title = {The envy-free pricing problem, unit-demand markets and connections with the network pricing problem}, author = {Fernandes, Cristina Gomes and Ferreira, Carlos Eduardo and Franco, Álvaro Junio Pereira and Schouery, Rafael Crivellari Saliba}, year = {2016}, doi = {10.1016/j.disopt.2015.09.003}, journal = {Discrete Optimization} }