TY - JOUR AU - Zulauf, A. TI - On the number of representations of an integer as a sum of primes belonging to given arithmetical progressions JO - Compositio Mathematica PY - 1962-1964 SP - 64 EP - 69 VL - 15 PB - Kraus Reprint UR - http://www.numdam.org/item/CM_1962-1964__15__64_0/ LA - en ID - CM_1962-1964__15__64_0 ER -