@article{JRAM_1978__297_151949,
     author = {K.-H. Indlekofer and M. Gottschalk},
     title = {\"Uber bin\"are additive {Probleme.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {65--79},
     publisher = {mathdoc},
     volume = {297},
     year = {1978},
     zbl = {0363.10030},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__297_151949/}
}