1. Lovász, L., Plummer, M.D.: Matching Theory. Elsevier Science (1986)
2. Schrijver, A.: Combinatorial Optimization: Polyhedra and Efficiency. Springer (2003)
3. Carvalho, M.H., Cheriyan, J.: An O(VE) algorithm for ear decompositions of matching-covered graphs. ACM Transactions on Algorithms 1(2), 324–337 (2005)
4. Kotzig, A.: Z teórie konečných grafov s lineárnym faktorom. I. Mathematica Slovaca 9(2), 73–91 (1959) (in Slovak)
5. Kotzig, A.: Zteórie konečných grafov s lineárnym faktorom. II. Mathematica Slovaca 9(3), 136–159 (1959) (in Slovak)