TY - JOUR AU - S. S. Ryshkov AU - R. M. Erdahl TI - Dual systems of integer-valued vectors and their applications JO - Doklady Akademii Nauk PY - 1990 SP - 123 EP - 128 VL - 314 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a28/ LA - ru ID - DAN_1990_314_1_a28 ER -