Smrek, Jan Dept. Kremer: Polymer Theory, MPI for Polymer Research, Max Planck Society;
Smrek, J., & Grosberg, A. Y. (2015). On enumeration of Hilbert-like curves. Journal of Physics A: Mathematical and Theoretical, 48(19): 195001. doi:10.1088/1751-8113/48/19/195001.