@article{10_4064_aa_35_4_345_352,
     author = {H. Kopetzky},
     title = {\"Uber nat\"urliche {Zahlen} n mit der {Eigenschaft} ([\ensuremath{\alpha}n, \ensuremath{\beta}n]) = 1},
     journal = {Acta Arithmetica},
     pages = {345--352},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {1979},
     doi = {10.4064/aa-35-4-345-352},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-35-4-345-352/}
}