N-Flips in Triangulations with Two Odd Degree Vertices.
Yoshihiro Asayama, Ryo Matsukawa, Naoki Matsumoto and Atsuhiro Nakamoto
Graphs and Combinatorics
36
3
469
490
10.1007/s00373-019-02130-2
https://dblp.uni-trier.de/db/journals/gc/gc36.html#AsayamaMMN20