%0 Journal Article %A Urbanowicz, Jerzy %T On diophantine equations involving sums of powers with quadratic characters as coefficients, II %J Compositio Mathematica %D 1996 %P 125-140 %V 102 %N 2 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1996__102_2_125_0/ %G en %F CM_1996__102_2_125_0