1. Folding and unrolling of systolic arrays;Culik,1982
2. A parallel algorithm for the algebraic path problem;Delosme,1989
3. The cascade algorithm for finding the minimum distance;Farby;London School of Economics Report LSE-TNT-19,1965
4. Algorithm 97: Shortest path;Floyd;Comm. ACM.,1962
5. Direct VLSI implementation of combinational algorithms;Guibas,1979