Binderup, Peter G., Gudmund Skovbjerg Frandsen, Peter Bro Miltersen, and Sven Skyum. “The Complexity of Identifying Large Equivalence Classes”. BRICS Report Series 5, no. 34 (June 4, 1998). Accessed April 26, 2024. https://tidsskrift.dk/brics/article/view/19440.