TY - JOUR AU - WILHELM LJUNGGREN TI - On an improvement of a theorem of T. Nagell concerning the Diophantine equation Ax3 + By3 = C JO - Mathematica Scandinavica PY - 1953 SP - 297 EP - 309 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1953__1_165510/ ID - MS2_1953__1_165510 ER -