@article{UMJ_2021_7_1_a4,
     author = {Sergey Kokovin and Fedor Vasilev},
     title = {Screening in space: rich and poor consumers in a linear city},
     journal = {Ural mathematical journal},
     pages = {66--80},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UMJ_2021_7_1_a4/}
}