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@article{MZ_1972__128_171788, author = {Peter J. Duran}, title = {Infinite {Matrices} and {Almost} {Convergence.}}, journal = {Mathematische Zeitschrift}, pages = {75--84}, publisher = {mathdoc}, volume = {128}, year = {1972}, zbl = {0228.40005}, url = {http://geodesic.mathdoc.fr/item/MZ_1972__128_171788/} }
Peter J. Duran. Infinite Matrices and Almost Convergence.. Mathematische Zeitschrift, Tome 128 (1972), pp. 75-84. http://geodesic.mathdoc.fr/item/MZ_1972__128_171788/