TY - JOUR AU - Yingchun Cai TI - A remark on Chen's theorem JO - Acta Arithmetica PY - 2002 SP - 339 EP - 352 VL - 102 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa102-4-5/ DO - 10.4064/aa102-4-5 LA - de ID - 10_4064_aa102_4_5 ER -