@article{IM2_1999_63_2_a1,
     author = {A. A. Danielyan},
     title = {On a~problem of {M.} {A.~Lavrent'ev} concerning the representability of functions by series of polynomials in the complex domain},
     journal = {Izvestiya. Mathematics},
     pages = {245--254},
     year = {1999},
     volume = {63},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1999_63_2_a1/}
}