@article{FPM_2024_25_2_a7,
     author = {Yu. Yu. Kochetkov},
     title = {On $3$-coloring of chains and propellers},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {177--181},
     year = {2024},
     volume = {25},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2024_25_2_a7/}
}