H. Banilower, Simultaneous extensions and projections in C(S), to appear.
Benyamini, 1973, Constants of simultaneous extension of continuous functions, Israel J. Math., 16, 258, 10.1007/BF02756705
Bing, 1951, Metrization of topological spaces, Canad. J. Math., 3, 175, 10.4153/CJM-1951-022-3
Borges, 1966, On stratifiable spaces, Pacific J. Math., 17, 1, 10.2140/pjm.1966.17.1
Corson, 1965, On simultaneous extension of continuous functions, Bull. Am. Math. Soc., 71, 542, 10.1090/S0002-9904-1965-11321-0
Greede, 1970, Concerning semistratifiable spaces, Pacific J. Math., 32, 47, 10.2140/pjm.1970.32.47
E.K. van Douwen, Simultaneous extension of open sets and of continuous functions, in preparation.
E.K. van Douwen, Nonstratifiable regular quotients of separable stratifiable spaces, Proc. Am. Math. Soc., to appear.
Dugundji, 1951, An extension of Tietze's theorem, Pacific J. Math., 353, 10.2140/pjm.1951.1.353
Engelking, 1968
Gęba, 1960, Spaces of continuous functions (V), Studia Math., 19, 303, 10.4064/sm-19-3-303-320
Heath, 1964, Screenability, pointwise paracompactness and metrization of Moore spaces, Canad. J. Math., 16, 763, 10.4153/CJM-1964-073-3
Heath, 1966, A paracompact semimetric space which is not an M3-space, Proc. Am. Math. Soc., 17, 868
Heath, 1973, Characterizations of o-spaces, Fund. Math., 77, 271, 10.4064/fm-77-3-271-275
Heath, 1974, Dugundji extension theorems for linearly ordered spaces, Pacific J. Math., 55, 419, 10.2140/pjm.1974.55.419
Heath, 1974, The Dugundji extension property and collectionwise normality, Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys., 22, 827
Heath, 1973, The Dugundji extension property implies collectionwise normality, Notices Am. Math. Soc., 20, A 507
Kuratowski, 1958, Topologie 1, Vol. 20
Michael, 1966, ℵ0-spaces, J. Math. Mech., 15, 983
Perczynski, 1968, Linear extensions, linear averagings, and their application to linear topological classification of spaces of continuous functions, Rozprawy Matematyczne, 58
Shinoda, 1973, Some consequences of Martin's axiom and the negation of the continuum hypothesis, Nagoya Math. J., 49, 117, 10.1017/S0027763000015336
Tall, 1969, Set-theoretic consistency results and topological theorems concerning the normal Moore space conjecture and related problems