@article{MOMA_1977__84_177831, author = {H.-J. Kanold}, title = {Neuere {Untersuchungen} \"uber die {Jacobsthal-Funktion} g(n).}, journal = {Monatshefte f\"ur Mathematik}, pages = {109--124}, publisher = {mathdoc}, volume = {84}, year = {1977}, zbl = {0367.10042}, url = {http://geodesic.mathdoc.fr/item/MOMA_1977__84_177831/} }