@article{IM2_1984_22_3_a1,
     author = {I. V. Kovalishina},
     title = {Analytic theory of a~class of interpolation problems},
     journal = {Izvestiya. Mathematics },
     pages = {419--463},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1984_22_3_a1/}
}