@article{DMPS_2013_33_1-2_a7,
     author = {Trenkler, G\"otz and Trenkler, Dietrich},
     title = {On melancholic magic squares},
     journal = {Discussiones Mathematicae. Probability and Statistics},
     pages = {111--119},
     publisher = {mathdoc},
     volume = {33},
     number = {1-2},
     year = {2013},
     zbl = {1314.00011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMPS_2013_33_1-2_a7/}
}