@article{10_37236_5660, author = {Arrigo Bonisoli and Simona Bonvicini}, title = {Even cycles and even 2-factors in the line graph of a simple graph}, journal = {The electronic journal of combinatorics}, year = {2017}, volume = {24}, number = {4}, doi = {10.37236/5660}, zbl = {1373.05097}, url = {http://geodesic.mathdoc.fr/articles/10.37236/5660/} }