Romberg seminar on quadrature extrapolation:extarpolation and rational approximations (Padé-Continued Fractions) : proceedings Trondheim, 1989 - Håvie, Tore; Romberg Seminar on Quadrature, Interpolation, Extrapolation and Rational Approximations - Padé-Continued Fractions 1988 Trondheim (Trondheim : Tapir, 1989)