[1] GENTRY K. R., HOYLE H. B.: Somewhat continuous functions. Czechosl. Math. J. 21, 96, 1971, 5-12. MR 0278269 | Zbl 0222.54010

[2] HUSSAIN T.: Almost continuous mapping. Annales Soc. Matem. Polonae, seria I: Prace matematyczne X, 1966, 1-7. MR 0220256

[3] HUSSAIN T.: Some remarks about real almost continuous functions. Math. Mag. 40, 1967, 250-254. MR 0229761

[4] KEMPISTY S.: Sur les functions quasicontinues. Fund. Math. XIX, 1932, 184-197.

[5] LEVINE N.: Semi-open sets and semi-continuity in topological spaces. Amer. Math. Monthly 70, 1963, 36-43. MR 0166752 | Zbl 0113.16304

[6] MARTIN N. F. G.: Quasicontinuous functions on product spaces. Duke Math. J. 28, 1961, 39-44. MR 0147906

[7] NEUBRUNN T.: A generalized continuity and product spaces. Math. Slovaca, 26, 1976, 97-99. MR 0436064 | Zbl 0318.54008

[8] NEUBRUNN T.: On semi-homeomorphism and related mappings. Acta Fac. RNUC, 1976, to appear.

[9] NEUBRUNNOVÁ A.: On certain generalizations of the notion of continuity. Mat. Čas. 23, 1973, 374-380. MR 0339051

[10] PTÁK V.: Completeness and the open mapping theorem. Bull. Soc. math. France, 86, 1958, 41-74. MR 0105606 | Zbl 0082.32502