Satoru Iwata, Kenjiro Takazawa. The Independent Even Factor Problem. SIAM J. Discrete Math., 22(4):1411-1427, 2008. [doi]
@article{IwataT08, title = {The Independent Even Factor Problem}, author = {Satoru Iwata and Kenjiro Takazawa}, year = {2008}, doi = {10.1137/060657066}, url = {http://dx.doi.org/10.1137/060657066}, researchr = {https://researchr.org/publication/IwataT08}, cites = {0}, citedby = {0}, journal = {SIAM J. Discrete Math.}, volume = {22}, number = {4}, pages = {1411-1427}, }