%0 Journal Article %A M. V. Bondarko %A S. V. Vostokov %A F. Lorenz %T The Hilbert pairing for formal groups over $\sigma$-rings %J Zapiski Nauchnykh Seminarov POMI %D 2004 %P 5-58 %V 319 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2004_319_a0/ %G ru %F ZNSL_2004_319_a0