@article{FAA_2001_35_3_a6,
     author = {T. Ya. Azizov and V. K. Kiriakidi and G. A. Kurina},
     title = {An {Indefinite} {Approach} to the {Reduction} of a {Nonnegative} {Hamiltonian} {Operator} {Function} to a {Block} {Diagonal} {Form}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {73--75},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2001_35_3_a6/}
}