TY - JOUR AU - Ernst S. SELMER TI - Sufficient congruence conditions for the existence of rational points on certain cubic surfaces JO - Mathematica Scandinavica PY - 1953 SP - 113 EP - 119 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1953__1_165492/ ID - MS2_1953__1_165492 ER -