Total domination in partitioned trees and partitioned graphs with minimum degree two. - Allan Frendrup; Michael A. Henning; Preben D. Vestergaard (J. Glob. Optim., 2008)

An upper bound on the domination number of a graph with minimum degree 2. - Allan Frendrup; Michael A. Henning; Bert Randerath; Preben D. Vestergaard (Discret. Math., 2009)

Total Domination in Partitioned Graphs. - Allan Frendrup; Preben D. Vestergaard; Anders Yeo (Graphs Comb., 2009)

A note on equimatchable graphs. - Allan Frendrup; Bert L. Hartnell; Preben D. Vestergaard (Australas. J Comb., 2010)

Merrifield-Simmons index and minimum Number of Independent Sets in Short Trees. - Allan Frendrup; Anders Sune Pedersen; Alexander A. Sapozhenko; Preben D. Vestergaard (Ars Comb., 2013)