@article{MZ_1986__191_173661,
     author = {Hermann Heineken},
     title = {Defektschranken gewisser {Subnormalteiler.}},
     journal = {Mathematische Zeitschrift},
     pages = {137--144},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0592.20039},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173661/}
}