@article{MOMA_1977__84_177841,
     author = {H. Salzmann and M. Schneider},
     title = {Schwache {L\"osungen} des {Frankl-Morawetz-Problems} im ...3.},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {237--246},
     publisher = {mathdoc},
     volume = {84},
     year = {1977},
     zbl = {0374.35032},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1977__84_177841/}
}