@article{JRAM_1974__271_151513,
     author = {E. Siering},
     title = {\"Uber lineare {Formen} und ein {Problem} von {Frobenius.} {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {177--202},
     publisher = {mathdoc},
     volume = {271},
     year = {1974},
     zbl = {0312.10008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__271_151513/}
}