TY - JOUR AU - M. A. Lapik TI - Equilibrium measure for the vector logarithmic potential problem with an external field and the Nikishin interaction matrix JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2012 SP - 579 EP - 581 VL - 67 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2012_67_3_a6/ LA - en ID - RM_2012_67_3_a6 ER -