@article{IM2_1979_13_2_a8,
     author = {A. M. Sedletskii},
     title = {Bases of exponential functions in the spaces~$E^p$ on convex polygons},
     journal = {Izvestiya. Mathematics },
     pages = {387--404},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1979},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1979_13_2_a8/}
}