@article{IVM_1994_5_a10,
     author = {F. G. Avkhadiev and L. I. Shokleva},
     title = {Generalizations of a~theorem of {Beurling} and their applications to inverse boundary value problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {80--83},
     publisher = {mathdoc},
     number = {5},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_5_a10/}
}