TY - JOUR AU - B. Kh. Kirshtein TI - Invariant subrings of the induced ring on the $4\times4$ symplectic group JO - Sbornik. Mathematics PY - 1972 SP - 228 EP - 234 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1972_18_2_a4/ LA - en ID - SM_1972_18_2_a4 ER -