TY - JOUR AU - Wenguang Zhai TI - On sums and differences of two coprime kth powers JO - Acta Arithmetica PY - 1999 SP - 233 EP - 248 VL - 91 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-91-3-233-248/ DO - 10.4064/aa-91-3-233-248 LA - en ID - 10_4064_aa_91_3_233_248 ER -