Complexity of the Stamp Folding Problem. - Takuya Umesato; Toshiki Saitoh; Ryuhei Uehara; Hiro Ito (COCOA, 2011)

The complexity of the stamp folding problem. - Takuya Umesato; Toshiki Saitoh; Ryuhei Uehara; Hiro Ito; Yoshio Okamoto (Theor. Comput. Sci., 2013)