TY - JOUR AU - I. V. Protasov TI - Equations in $\beta G$ and the decomposability of abelian groups JO - Matematičeskie zametki PY - 1999 SP - 951 EP - 953 VL - 66 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1999_66_6_a16/ LA - ru ID - MZM_1999_66_6_a16 ER -