[1] J. DIESTEL: Geometry of Banach spaces. Selected Topics, Lecture Notes in Mathematics 485, Springer-Verlag, Berlin 1975. MR 0461094 | Zbl 0307.46009

[2] J. R. GILES: Uniformly weak differentiability of the norm and a condition of Vlasov. J. Austral. Math. Soc. 21 (1975), 393-409. MR 0423046

[3] E. ODELL P. ROSENTHAL: A double dual characterization of Banach spaces containing $l_1$. Israel Journal of Mathematics 20 (1975), 375-384. MR 0377482

[4] J. PETUNIN A. N. PLÍČKO: Teoria charakteristik podprostranstv i priloženija. Kiev 1980.

[5] I. SINGER: On the problem of non-reflexive second conjugate spaces. Bull. Austral. Math. Soc. 12 (1975), 407-416. MR 0383049