%0 Journal Article %A O. G. Filippov %T $C^*$-algebras $A$ over which the Hilbert module $l_2(A)$ is self-dual %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1987 %P 74-76 %N 4 %U http://geodesic.mathdoc.fr/item/VMUMM_1987_4_a20/ %G ru %F VMUMM_1987_4_a20