TY - JOUR AU - F. F. Èfendiev TI - Explicit construction of elements of the ring $S(n,r)$ of invariants of $n$-ary forms of degree~$r$ JO - Matematičeskie zametki PY - 1992 SP - 139 EP - 143 VL - 51 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_51_2_a18/ LA - ru ID - MZM_1992_51_2_a18 ER -