%0 Journal Article %A V. S. Buyarov %A E. A. Rakhmanov %T Families of equilibrium measures in an~external field on the~real axis %J Sbornik. Mathematics %D 1999 %P 791-802 %V 190 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1999_190_6_a1/ %G en %F SM_1999_190_6_a1