%0 Journal Article %A V. I. Danchenko %A E. N. Kondakova %T Criterion for the appearance of singular nodes under interpolation by simple partial fractions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2012 %P 49-58 %V 278 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2012_278_a4/ %G ru %F TM_2012_278_a4