TY - JOUR AU - Krasniqi, Xhevat Z. TI - A note on -convergence of the sine and cosine trigonometric series with semi-convex coefficients. JO - International Journal of Open Problems in Computer Science and Mathematics. IJOPCM PY - 2009 SP - 231 VL - 2 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_2_229240/ LA - en ID - IJOPCM_2009__2_2_229240 ER -