@article{SM_2011_202_2_a0,
     author = {A. I. Aptekarev and V. G. Lysov and D. N. Tulyakov},
     title = {Random matrices with external source and the asymptotic behaviour of multiple orthogonal polynomials},
     journal = {Sbornik. Mathematics},
     pages = {155--206},
     publisher = {mathdoc},
     volume = {202},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2011_202_2_a0/}
}