Decu, S., Petrovic-Torgasev, M., Sebekovic, A. and Verstraelen, L. 2010. On the intrinsic Deszcz symmetries and the extrinsic Chen character of Wintgen ideal submanifolds. Tamkang Journal of Mathematics. 41, 2 (Jun. 2010), 109–116. DOI:https://doi.org/10.5556/j.tkjm.41.2010.662.