1. Factors and Factorizations of Graphs. Proof Techniques in Factor Theory;Akiyama,2011
2. Regular factors of regular graphs;Bollobás;J. Graph Theory,1985
3. Eigenvalues and perfect matchings;Brouwer;Linear Algebra Appl.,2005
4. Spectra of Graphs;Brouwer,2012
5. On matchings and factors of graphs;Chen,1996