%0 Journal Article %A E. I. Bunina %T Automorphisms of the Semigroup of Nonnegative Invertible Matrices of Order Two over Partially Ordered Commutative Rings %J Matematičeskie zametki %D 2012 %P 3-11 %V 91 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2012_91_1_a0/ %G ru %F MZM_2012_91_1_a0