@article{TMF_2010_162_3_a8,
     author = {V. A. Moskalenko and L. A. Dohotaru and R. Citro},
     title = {Diagram theory for the~periodic {Anderson} model: {Stationarity} of the~thermodynamic potential},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {439--458},
     publisher = {mathdoc},
     volume = {162},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2010_162_3_a8/}
}