Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{PIM_1971_N_S_12_26_a7, author = {Charles H. Heiberg}, title = {Functions {With} {Asymptotically} {Infinite} {Differences}}, journal = {Publications de l'Institut Math\'ematique}, pages = {45 }, publisher = {mathdoc}, volume = {_N_S_12}, number = {26}, year = {1971}, url = {http://geodesic.mathdoc.fr/item/PIM_1971_N_S_12_26_a7/} }
Charles H. Heiberg. Functions With Asymptotically Infinite Differences. Publications de l'Institut Mathématique, _N_S_12 (1971) no. 26, p. 45 . http://geodesic.mathdoc.fr/item/PIM_1971_N_S_12_26_a7/