@article{10_21136_MB_2012_142785, author = {Krasniqi, Xhevat Z.}, title = {On $|A, \delta |_{k}$-summability of orthogonal series}, journal = {Mathematica Bohemica}, pages = {17--25}, publisher = {mathdoc}, volume = {137}, number = {1}, year = {2012}, doi = {10.21136/MB.2012.142785}, mrnumber = {2978443}, zbl = {1249.42018}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2012.142785/} }