@article{TMF_1981_47_3_a13,
     author = {A. V. Vedyaev and V. A. Ivanov},
     title = {Elementary excitations in the {Anderson{\textendash}Hubbard} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {425--430},
     year = {1981},
     volume = {47},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_47_3_a13/}
}