B. Bourgain, 1980, Bull. Soc. Math. Bel., 32, 235
R.P. Judd, 1998, Israel J. Math., 108, 145, 10.1007/BF02783046
R.C. 3 James, 1964, Studia Math., 23, 205, 10.4064/sm-23-3-205-216
D.P. Milman, 1969, AMS Transl., 85, 233
C. Dellacherie, 1977, Les derivations en theorie descriptive des ensembles et le theoreme de la borne, LNM 581, 34
H.P. Rosenthal, 1999, Pacific J. Math., 189, 311, 10.2140/pjm.1999.189.311
R.C. James, 1972, Pacific J. Math., 41, 409, 10.2140/pjm.1972.41.409
R.C. 8 James, 1972, Can. J. Math., XXIV, 896, 10.4153/CJM-1972-089-7
M. Zippin, 1997, Israel J. Math., 26, 372, 10.1007/BF03007653
C. Stegall, 1975, Trans. of the Amr. Math. Soc., 206, 213, 10.1090/S0002-9947-1975-0374381-1
H.P. Rosenthal, 1974, Proc. Natl. Acad. Sci. USA,, 71, 2411, 10.1073/pnas.71.6.2411
R.C. 12 James, 1964, Ann. of Math., 80, 542, 10.2307/1970663
J.D. Monk, 1969, Introduction to Set Theory, 105
W. Szlenk, 1968, Studia Math., 30, 53, 10.4064/sm-30-1-53-61
J. Schreier, 1930, Studia Math., 2, 58, 10.4064/sm-2-1-58-62
D. Alspach, 1998, Averaging weakly null sequences, LNM 1332, 126
D. Alspach, 1992, Diss. Math., 321, 1
C. Bessaga, 1960, Studia Math., 19, 53, 10.4064/sm-19-1-53-62
D. Alspach, 1979, Israel J. Math., 32, 145, 10.1007/BF02764911
S. Mazurkiewicz, 1920, Fund. Math., 3, 17, 10.4064/fm-1-1-17-27
