@article{10_4064_aa_34_1_37_41,
     author = {J. Cohn},
     title = {Equations with equivalent roots},
     journal = {Acta Arithmetica},
     pages = {37--41},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1977},
     doi = {10.4064/aa-34-1-37-41},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-34-1-37-41/}
}