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@article{MZ_1969__111_171197, author = {Karl Klee and Peter Sz\"usz}, title = {On {Summability} of {Subsequences.}}, journal = {Mathematische Zeitschrift}, pages = {205--213}, publisher = {mathdoc}, volume = {111}, year = {1969}, zbl = {0176.34301}, url = {http://geodesic.mathdoc.fr/item/MZ_1969__111_171197/} }
Karl Klee; Peter Szüsz. On Summability of Subsequences.. Mathematische Zeitschrift, Tome 111 (1969), pp. 205-213. http://geodesic.mathdoc.fr/item/MZ_1969__111_171197/