@article{10_4064_am40_2_2,
     author = {Wojciech Po{\l}owczuk and Tadeusz Radzik},
     title = {Equilibria in constrained concave
 bimatrix games},
     journal = {Applicationes Mathematicae},
     pages = {167--182},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2013},
     doi = {10.4064/am40-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am40-2-2/}
}