%0 Journal Article %A Pavel Mozolyako %A Alexander Volberg %T Essential differences of potential theories on a tree and on a bi-tree %J Comptes Rendus. Mathématique %D 2022 %P 1039-1048 %V 360 %I Académie des sciences, Paris %R 10.5802/crmath.362 %G en %F CRMATH_2022__360_G9_1039_0