[1] BRUCKNER A. M., CEDER J. G.:
Darboux continuity. Jahresber. Deutsch. Math. Ver., 67, 1965, 93-117.
MR 0186761 |
Zbl 0144.30003
[2] BRUCKNER A. M., CEDER J. G., WEISS M.:
Uniform limits of Darboux functions. Colloq. Math., 15, 1966, 65-77.
MR 0197629 |
Zbl 0138.28004
[4] SIERPINSKI W.: Caгdinal and Ordinal Numbers. Warszawa 1958.