Generalized Hultman Numbers and the Distribution of Multi-break Distances. - Nikita Alexeev; Anna Pologova; Max A. Alekseyev (AlCoB, 2015)

Generalized Hultman Numbers and Cycle Structures of Breakpoint Graphs. - Nikita Alexeev; Anna Pologova; Max A. Alekseyev (J. Comput. Biol., 2017)