Brodal, Gerth Stølting, Rolf Fagerberg, Ulrich Meyer, and Norbert Zeh. 2004. “Cache-Oblivious Data Structures and Algorithms for Undirected Breadth-First Search and Shortest Paths”. BRICS Report Series 11 (2). https://doi.org/10.7146/brics.v11i2.21827.