@article{MOMA_1981__92_178052,
     author = {Egon Schulte},
     title = {Konstruktion regul\"arer {H\"ullen} konstanter {Breite.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {313--322},
     year = {1981},
     volume = {92},
     zbl = {0461.52003},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1981__92_178052/}
}