@article{TMF_1980_43_1_a16,
     author = {V. E. Troitsky and I. S. Tsirova},
     title = {Analytic functionals in~a~phase-shift representation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {138--141},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1980_43_1_a16/}
}