@article{10_4064_aa_20_2_175_187,
     author = {H. Abbott and D. Hanson},
     title = {A problem of {Schur} and its generalizations},
     journal = {Acta Arithmetica},
     pages = {175--187},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1972},
     doi = {10.4064/aa-20-2-175-187},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-20-2-175-187/}
}