@article{01566550,
title = {A note on the minimality problem in indefinite summation of rational functions.},
journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]},
volume = {31},
year = {1993},
zbl = {0968.68202},
language = {en},
url = {http://dml.mathdoc.fr/item/01566550}
}
Pirastu, Roberto. A note on the minimality problem in indefinite summation of rational functions.. Séminaire Lotharingien de Combinatoire [electronic only], Tome 31 (1993) . http://gdmltest.u-ga.fr/item/01566550/