12 of stationary relative the changing of the mass operator or full Green’s function G c of conduction electrons. It is a pleasure acknowledge the discussions with Pro- fessor N.M. Plakida . Acknowledgments 25 J. M. Luttinger, Phys. Rev. 119 , 1153 (1960). 24 J. M. Luttinger and J. C. Ward, Phys. Rev. 118 , N5, 1417 (1960). 23 N. N. Bogoliubov, Full collection of papers, Vol. 10, Moscow, Nauka, (2007). 22 A. A. Abrikosov, L.P.Gor’kov and I. E. Dzyaloshinsky, The method of quantum field theory in statistical physics, Do- brosvet, Moscow (1998). 21 J. Hubbard, Proc. Roy. Soc. A276 , 238 (1963), A281 , 401 (1964), A285 , 542 (1965). 20 V. A. Moskalenko, P. Entel, M. Marinaro, N. B. Perkins and C. Holfort, Phys. Rev. B 63 , 245119 (2001). 19 V. A. Moskalenko, P. Entel and D. F. Digor, Phys. Rev. B 59 , 619 (1999). 18 V. A. Moskalenko, P. Entel, L. A. Dohotaru and R. Citro, Theor. Math. Phys. 159 , 454 (2009); Teor. Mat. Fiz. 159 , 500 (2009). 17 V. A. Moskalenko, P. Entel, L. A. Dohotaru, D. F. Digor and R. Citro, Diagrammatic theory for Anderson Impurity Model, Preprint JINR, Dubna, E17-2008-56. 16 V. A. Moskalenko, P. Entel, D. F. Digor, L. A. Dohotaru and R. Citro, Theor. Math. Phys. 155 , 535 (2008); Teor. Mat. Fiz. 155 , 914 (2008). 15 V. A. Moskalenko, Theor. Math. Phys. 116 , 1094 (1998); 14 V. A. Moskalenko, Theor. Math. Phys. 110 , 243 (1997); Teor. Mat. Fiz. 110 , 308 (1997). 13 N. N. Bogoliubov and V. A. Moskalenko, Theor. Math. Phys. 92 , 820 (1992). 12 N. N. Bogoliubov and V. A. Moskalenko, Theor. Math. Phys. 80 , 10 (1991). 11 S. I. Vakaru, M. I. Vladimir and V. A. Moskalenko, Theor. Math. Phys. 85 , 1185 (1990). 10 M. I. Vladimir and V. A. Moskalenko, Theor. Math. Phys. 82 , 301 (1990). 9 P. Fulde, Electron correlations in Molecules and Solids, Springer, Berlin (1991) . 8 A. C. Hewson , The Kondo Problem to Heavy Fermions, Cambridge University Press, Cambridge, England (1993). 7 P. Fulde, J. Keller and G. Zwicknagl, Solid State Phys. 41 , 2 (1988). 6 Canio Noce, Phys. Rep. 431 , 173 (2006). 5 H. Shiba and P. Fazekas, Prog. Theor. Phys. Suppl. 101 , 403 (1990). 4 D. M. Newns and N. Read, Adv. Phys. 36 , 799 (1987). 3 G. Czycholl, Phys. Rep. 143 , 277 (1986). 2 H. Reiter and G. Morandi, Phys. Rep. 143 , 277 (1984). 1 P. W. Anderson, Phys. Rev. 124 , 41 (1961). ∗ Electronic address: moskalen@theor.jinr.ru Teor. Mat. Fiz. 116 , 456 (1998).