@article{10_37236_8456, author = {Radek Hu\v{s}ek and Robert \v{S}\'amal}, title = {Homomorphisms of {Cayley} graphs and cycle double covers}, journal = {The electronic journal of combinatorics}, year = {2020}, volume = {27}, number = {2}, doi = {10.37236/8456}, zbl = {1443.05129}, url = {http://geodesic.mathdoc.fr/articles/10.37236/8456/} }