Franz Peherstorfer, B. de la Calle Ysern,
"Ultraspherical Stieltjes polynomials and Gauss-Kronrod quadrature behave nicely for $\lambda<0$?<0"
, in SIAM J. Numer. Anal., Vol. 45, Nummer 2, 2007
Original Titel:
Ultraspherical Stieltjes polynomials and Gauss-Kronrod quadrature behave nicely for $\lambda<0$?<0