@article{AFM_1997_22_1_a8,
     author = {Stephan Werner},
     title = {Spiegelungskoeffizient und {Fredholmscher} {Eigenwert} f\"ur gewisse {Polygone}},
     journal = {Annales Fennici Mathematici},
     pages = {165--186},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1997},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AFM_1997_22_1_a8/}
}