TY - JOUR AU - T. L. Hakobyan TI - On the $P_1$ property of sequences of positive integers JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2016 SP - 22 EP - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2016_2_a3/ LA - en ID - UZERU_2016_2_a3 ER -