[1] Bates D. M., Watts D. G.: Relative curvature measures of nonlinearity. J. Roy. Stat. Soc. B 42 (1980), 1-25. MR 0567196 | Zbl 0455.62028

[2] Kubáček L., Kubáčková L.: Statistics and Metrology. Vyd. Univ. Palackého, Olomouc, 2000 (in Czech).

[3] Kubáček L.: Linearized models with constraints of the type I. Applications of Mathematics (to appear). MR 1966342

[4] Pázman A.: Nonlinear Statistical Models. Kluwer Academic Publishers, Dordrecht-Boston-London and Ister Science Press, Bratislava, 1993. MR 1254661

[5] Rao C. R., Mitra S. K.: Generalized Inverse of the Matrix and Its Applications. J. Wiley, New York, 1971. MR 0338013