%0 Journal Article %A H. Abbott %A D. Hanson %T A problem of Schur and its generalizations %J Acta Arithmetica %D 1972 %P 175-187 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-20-2-175-187/ %R 10.4064/aa-20-2-175-187 %G en %F 10_4064_aa_20_2_175_187