Robinson, P. M. - In: Journal of Multivariate Analysis 7 (1977) 3, pp. 409-423
A multivariate linear relation [eta]n = [beta]0[xi]n is considered, in which [xi]n and [eta]n are observed subject to white noise errors, with covariance matrices [sigma]0, [omega]0 respectively. If their elements lie in the null space of a suitable vector function, [beta]0, [sigma]0, [omega]0...