BASES OF EXPONENTIAL FUNCTIONS IN THE SPACES $ E^p$ ON CONVEX POLYGONS
A M Sedleckiĭ · Mathematics of the USSR-Izvestiya · 1979
Let be a convex polygon in the complex plane; let be its vertices, numbered in the order of a circuit around in the positive direction; let ; and let be the length of the edge , . Let , where If and for and for , , then , , is a basis in the space , .Bibliography: 16 titles.