%0 Journal Article %A A. V. Malyutin %T Pretrees and arborescent convexities %J Zapiski Nauchnykh Seminarov POMI %D 2013 %P 75-90 %V 415 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2013_415_a10/ %G en %F ZNSL_2013_415_a10