%0 Journal Article %A E. I. Bunina %A P. P. Semenov %T Elementary equivalence of semigroups of invertible matrices with nonnegative elements over commutative partially ordered rings %J Fundamentalʹnaâ i prikladnaâ matematika %D 2008 %P 75-85 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2008_14_4_a4/ %G ru %F FPM_2008_14_4_a4