[1] BALÁŽ V.: On weak forms of continuity and product spaces. Acta Fac Rer. nat. Univ. Commenianae, 44-45, 1984, 169-180. MR 0775018 | Zbl 0576.54023

[2] ENGELKING R.: Quelques remarqes concernant les opérations sur les fonctions semicontinues dans les espaces topologiques. Bull. Acad. Polonaise Sci. Ser. Sci. Math. Astr. Phys., 11, 1963, 719-726. MR 0161297

[3] FRANKLIN S. P., SORGENFREY R. H.: Closed and image-closed relations. Pacific J. Math., 19, 1966, 433-439. MR 0203701 | Zbl 0146.18303

[4] JOSEPH J. E.: Regularity, normality and multifunctions. Proc. Amer. Math. Soc., 70, 1978, 203-206. MR 0474198 | Zbl 0388.54014

[5] JOSEPH J. E.: Regularity, normality and weak continuity for multifunctions. Math. Japonica, 26, 1981, 647-651. MR 0649372 | Zbl 0487.54019

[6] KURATOWSKI K., MOSTOWSKI A.: Set Theory with an Introduction to Descriptive Set Theory. PWN Warszawa, 1976. MR 0485384 | Zbl 0337.02034

[7] LEVINE N.: A decomposition of continuity in topological spaces. Amer. Math. Monthly, 68, 1961, 44-46. MR 0126252 | Zbl 0100.18601

[8] NEUBRUNN T.: On quasicontinuity of multifunction. Math. Slov. 32, 1982, 146-154. MR 0658248

[9] NEUBRUNN T.: On weak forms of functions and multifunctions. Acta Fac Rer. nat. Univ. Commenianae, 42-43, 1983, 145-151. MR 0740743

[10] NOIRI T.: Between continuity and weak continuity. Bolletino U.M.I., 9, 1974, 647-654. MR 0370467 | Zbl 0304.54011

[11] SINGAL M. K., ARYA S. P.: On almost-regular spaces. Glasnik Mat., 24, 1969, 89-99. MR 0243483 | Zbl 0169.24902

[12] SINGAL M. K., ARYA S. P.: Almost-normal and almost completely regular spaces. Glasnik Mat., 25, 1970, 141-152. MR 0275354 | Zbl 0197.18901

[13] SINGAL M. K., SINGAL A. R.: Almost continuous mappings. Yokohama Math. J., 16, 1968, 63-73. MR 0261569 | Zbl 0191.20802

[14] WYLER O.: A characterization of regularity in topology. Proc Amer. Math. Soc., 29, 1971, 588-690. MR 0281146 | Zbl 0215.51703