TY - JOUR AU - Krasniqi, Xhevat Z. TI - On $|A, \delta |_{k}$-summability of orthogonal series JO - Mathematica Bohemica PY - 2012 SP - 17 EP - 25 VL - 137 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2012.142785/ DO - 10.21136/MB.2012.142785 LA - en ID - 10_21136_MB_2012_142785 ER -