%0 Journal Article %A S. V. Tikhonov %A V. I. Yanchevskii %T The indices of central simple algebras over function fields of projective spaces over $P_{n,r}$-fields %J Sbornik. Mathematics %D 2002 %P 1691-1705 %V 193 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2002_193_11_a4/ %G en %F SM_2002_193_11_a4