Constantinescu, Tiberiu. Schur parameters, factorization and dilation problems / T. Constantinescu. – Basel [et al] : Birkhäuser, 1996. – IX, 254 p. – (Operator theory. Advances and applications; Vol.82) Библиогр.: с. 223-250 и с. 254 ISBN 3-7643-5285-X.