1. ACHIESER, N.I. (1937): On the theorem of S.N. Bernstein concerning the Chebyshev quadrature formula. (Ukrainian) Ž. Inst. Mat. Akad. Nauk USSR 3, 75–82. {Zbl. 18, 208}.
2. ACHIESER, N.I.; KREIN, M. (1935): Sur une formule de quadrature de Tchebicheff. C.R. Acad. Sci. Paris 200, 890–892. {Zbl. 11, 109}.
3. ALLASIA, G. (1976/77): Proprieta statistiche delle formule di quadratura. Rend. Sem. Mat. Univ. Politecn. Torino Vol. 35, 339–348. {MR 58 # 3330}.
4. ALLASIA, G. (1982/83): Statistical properties of numerical integration formulas. Atti Accad. Sci. Lett. Arti Palermo V(II), 149–160. {MR 88h: 65047}.
5. ANDERSON, L.A. (1974): Optimal Chebyshev-type quadrature formulas for various weight functions. Ph.D. Thesis, Purdue University.