@article{ELMA_1989__44_3_141468,
     author = {K. Sch\"utte},
     title = {Neue {Fassung} einer {Verallgemeinerung} des {Satzes} von {Napoleon.}},
     journal = {Elemente der Mathematik},
     pages = {133--138},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1989},
     zbl = {0698.51007},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1989__44_3_141468/}
}