%0 Journal Article %A S. V. Duzhin %A D. V. Pasechnik %T Groups acting on necklaces and sandpile groups %J Zapiski Nauchnykh Seminarov POMI %D 2014 %P 81-93 %V 421 %U http://geodesic.mathdoc.fr/item/ZNSL_2014_421_a6/ %G en %F ZNSL_2014_421_a6