TY - JOUR AU - Nontas E. Kechagias TI - Modular invariant theory, homology operations, and the transfer between rings of invariants of parabolic subgroups JO - Ευκλείδης Γ PY - 1993 SP - 79 EP - 88 VL - 38 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EUG_1993__38_a16/ LA - gr ID - EUG_1993__38_a16 ER -