@article{MOMA_1962__66_177163,
     author = {Paul Sz\'asz},
     title = {On a {Maximum-Property} {Characterizing} the {Angels} of  {Triangle.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {174--178},
     publisher = {mathdoc},
     volume = {66},
     year = {1962},
     zbl = {0103.38007},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1962__66_177163/}
}