@article{CGTM_2014_7_a6,
     author = {Margarita A. Gladkova and Maria A. Kazantseva and Nikolay A. Zenkevich},
     title = {Quality level choice model under oligopoly competition on a fitness service market},
     journal = {Contributions to game theory and management},
     pages = {61--80},
     publisher = {mathdoc},
     volume = {7},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2014_7_a6/}
}