@article{MOMA_1977__83_177806,
     author = {Richard Koch},
     title = {Striktionseigenschaften von {Regelscharen} im {En.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {133--146},
     publisher = {mathdoc},
     volume = {83},
     year = {1977},
     zbl = {0358.53007},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1977__83_177806/}
}