@article{MM2_1976__18_154396,
     author = {Alfred Moessner and George Xeroudakes},
     title = {Two {Diophantine} {Systems.}},
     journal = {Manuscripta mathematica},
     pages = {337--342},
     publisher = {mathdoc},
     volume = {18},
     year = {1976},
     zbl = {0342.10010},
     url = {http://geodesic.mathdoc.fr/item/MM2_1976__18_154396/}
}