@article{TMF_1989_78_3_a1,
     author = {T. N. Nikitina},
     title = {Analog of~the {Carleman} formula in~the future tube},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {330--334},
     publisher = {mathdoc},
     volume = {78},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1989_78_3_a1/}
}