%0 Journal Article %A E. V. Dybkova %T The index of a net subgroup of a symplectic group over a Dedekind ring %J Zapiski Nauchnykh Seminarov POMI %D 1978 %P 74-86 %V 75 %U http://geodesic.mathdoc.fr/item/ZNSL_1978_75_a8/ %G ru %F ZNSL_1978_75_a8