Ichiro Semba Generation of all the Balanced Parenthesis Strings in Lexicographical Order. [Citation Graph (0, 0)][DBLP] Inf. Process. Lett., 1981, v:12, n:4, pp:188-192 [Journal]
Ichiro Semba An Efficient Algorithm for Generating All k-Subsets (1 <= k <= m <= n) of the Set { 1, 2, ..., n } in Lexicographical Order. [Citation Graph (0, 0)][DBLP] J. Algorithms, 1984, v:5, n:2, pp:281-283 [Journal]