@article{FAA_1975_9_2_a22,
     author = {S. V. Petras},
     title = {Decomposition of series of resonances on a ``nonphysical'' sheet},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {89--90},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1975_9_2_a22/}
}