@article{MZM_1989_45_3_a8,
     author = {A. M. Kytmanov and T. N. Nikitina},
     title = {Analogs of {Carleman's} formula for classical domains},
     journal = {Matemati\v{c}eskie zametki},
     pages = {87--93},
     publisher = {mathdoc},
     volume = {45},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_3_a8/}
}