@article{CGTM_2011_4_a6,
     author = {Igor Bykadorov and Sergey Kokovin and Evgeny Zhelobodko},
     title = {Product {Diversity} in a {Vertical} {Distribution} {Channel} under {Monopolistic} {Competition}},
     journal = {Contributions to game theory and management},
     pages = {71--104},
     publisher = {mathdoc},
     volume = {4},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2011_4_a6/}
}