@article{UMJ_2023_9_1_a11,
     author = {Ksenia Ryzhenko and Katherine Neznakhina and Michael Khachay},
     title = {Fixed ratio polynomial time approximation algorithm for the {Prize-Collecting} {Asymmetric} {Traveling} {Salesman} {Problem}},
     journal = {Ural mathematical journal},
     pages = {135--146},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UMJ_2023_9_1_a11/}
}