%0 Journal Article %A M. A. Lapik %T Families of vector measures which are equilibrium measures in an external field %J Sbornik. Mathematics %D 2015 %P 211-224 %V 206 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2015_206_2_a2/ %G en %F SM_2015_206_2_a2