@article{FAA_1994_28_3_a0,
     author = {M. S. Agranovich},
     title = {On {Series} with {Respect} to {Root} {Vectors} of {Operators} {Associated} with {Forms} {Having} {Symmetric} {Principal} {Part}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--21},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1994_28_3_a0/}
}