@article{1103037334, author = {Hyers, D. H.}, title = {Transformations with bounded $m$th differences.}, journal = {Pacific J. Math.}, volume = {11}, number = {4}, year = {1961}, pages = { 591-602}, language = {en}, url = {http://dml.mathdoc.fr/item/1103037334} }
Hyers, D. H. Transformations with bounded $m$th differences.. Pacific J. Math., Tome 11 (1961) no. 4, pp. 591-602. http://gdmltest.u-ga.fr/item/1103037334/