TY - JOUR AU - Tranter, C. J. TI - An improved method for dual trigonometrical series JO - Glasgow mathematical journal PY - 1964 SP - 136 EP - 140 VL - 6 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034900/ DO - 10.1017/S2040618500034900 ID - 10_1017_S2040618500034900 ER -