%0 Journal Article %A N. Nikolski %T Three dimensions of metric-measure spaces, Sobolev embeddings and optimal sign transport %J Algebra i analiz %D 2022 %P 118-151 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2022_34_2_a3/ %G en %F AA_2022_34_2_a3