Jun Fujisawa Shinya Fujita 0001 Michael D. Plummer Akira Saito Ingo Schiermeyer A pair of forbidden subgraphs and perfect matchings in graphs of high connectivity. 703-723 2011 31 Comb. 6 https://doi.org/10.1007/s00493-011-2655-y db/journals/combinatorica/combinatorica31.html#FujisawaFPSS11