@article{ZNSL_2020_497_a1,
     author = {M. P. Ivanov},
     title = {An exact bound on the number of proper $3$-edge-colorings of a connected cubic graph},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {26--52},
     publisher = {mathdoc},
     volume = {497},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_497_a1/}
}