@article{IM2_1972_6_4_a5,
     author = {D. L. Berman},
     title = {On interpolation theory in the complex domain},
     journal = {Izvestiya. Mathematics},
     pages = {782--787},
     year = {1972},
     volume = {6},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1972_6_4_a5/}
}