1. Yu. S. Zuev, B. I. Kvasov, and V. L. Miroshnichenko,Methods of Spline Functions [in Russian], Moscow (1980).
2. G. Seber,Linear Regression Analysis, Moscow (1980).
3. A. S. Prishchepov and N. Nizamov,Zh. Prikl. Spektrosk.,43, 42–49 (1985).
4. A. S. Prishchepov, V. V. Nizhnikov, and G. P. Gurinovich,Zh. Prikl. Spektrosk.,33, 693–699 (1980).
5. J. Lakovich, in:Foundations of Fluorescence Spectroscopy [in Russian], Moscow (1986), pp. 345–351.