@article{02038354,
title = {Strings with maximally many distinct subsequences and substrings.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {11},
year = {2004},
zbl = {1034.68067},
language = {en},
url = {http://dml.mathdoc.fr/item/02038354}
}
Flaxman, Abraham; Harrow, Aram W.; Sorkin, Gregory B. Strings with maximally many distinct subsequences and substrings.. The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004) . http://gdmltest.u-ga.fr/item/02038354/