%0 Journal Article %A N. A. Vavilov %A Z. Zhang %T Relative centralisers of relative subgroups %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 10-24 %V 492 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2020_492_a1/ %G en %F ZNSL_2020_492_a1