@article{IM2_2009_73_6_a7,
     author = {V. V. Shtepin and T. V. Shtepina},
     title = {An application of intertwining operators in functional analysis},
     journal = {Izvestiya. Mathematics },
     pages = {1265--1288},
     publisher = {mathdoc},
     volume = {73},
     number = {6},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2009_73_6_a7/}
}