A new upper bound for sorting permutations with prefix transpositions. - Pramod P. Nair; Rajan Sundaravaradhan; Bhadrachalam Chitturi (Discret. Math. Algorithms Appl., 2020)

Improved upper bound for sorting permutations by prefix transpositions. - Pramod P. Nair; Rajan Sundaravaradhan; Bhadrachalam Chitturi (Theor. Comput. Sci., 2021)