TY - JOUR AU - Krasniqi, Xhevat Z. TI - Some new modified cosine sums and $L^{1}$-convergence of cosine trigonometric series JO - Archivum mathematicum PY - 2013 SP - 43 EP - 50 VL - 49 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5817/AM2013-1-43/ DO - 10.5817/AM2013-1-43 LA - en ID - 10_5817_AM2013_1_43 ER -