%0 Journal Article %A N. S. Vyacheslavov %T Rate of approximation of piecewise-analytic functions by rational fractions in the $L_p$-metrics, $0 %J Sbornik. Mathematics %D 1980 %P 203-212 %V 36 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1980_36_2_a4/ %G en %F SM_1980_36_2_a4