@article{IVM_1988_3_a1,
     author = {V. I. Gorbaǐchuk},
     title = {A general inverse theorem for the approximation of functions by operators of continuation into a~canonical domain},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {8--16},
     publisher = {mathdoc},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1988_3_a1/}
}