References
Baker, J. W., andG. M. Petersen: Inclusion of sets of regular summability matrices (II). Proceed. Camb. Phil. Soc.60, 705–712 (1964);61, 381–394 (1965).
Copping, J.: On the consistency and relative strength of regular summability methods. Proceed. Camb. Phil. Soc.62, 421–428 (1966).
Lorentz, G. G., andK. Zeller: Über Paare von Limitierungsverfahren. Math. Z.68, 428–438 (1958).
Petersen, G. M.: Topology of summability fields. Math. Z.98, 93–103 (1967).
—: Regular matrix transformations, 143 pp. New York: McGraw Hill 1966.
—: Summability and bounded sequences. Proceed. Camb. Phil. Soc.55, 257–261 (1959).
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Petersen, G.M. Singularities for matrices and sequences. Math Z 103, 268–275 (1968). https://doi.org/10.1007/BF01114993
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DOI: https://doi.org/10.1007/BF01114993