@article{DMGT_2020_40_3_a12,
     author = {Giaro, Krzysztof and Kubale, Marek},
     title = {A {Note} on {Polynomial} {Algorithm} for {Cost} {Coloring} of {Bipartite} {Graphs} with {\ensuremath{\Delta}} \ensuremath{\leq} 4},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {885--891},
     publisher = {mathdoc},
     volume = {40},
     number = {3},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2020_40_3_a12/}
}