@article{TMF_1979_40_1_a13,
     author = {G. Sh. Dzhaparidze and V. A. Petrov},
     title = {Deser--Gilbert--Sudarshan representation for fungtions with an isolated branch in the spectrum},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {137--139},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_40_1_a13/}
}