1. B. Z. Vulikh, Introduction to the Theory of Partially Ordered Spaces [in Russian], Fizmatgiz, Moscow (1961).
2. T. Shimogaki, ?On the continuity and the monotonousness of norms,? J. Fac. Sci. Hokk. Univ., Ser. I,16, 225?237 (1962).
3. E. A. Lifshits, ?The theory of partially ordered Banach spaces,? Funktsional. Analiz i Ego Prilozhen.,3, no. 1, 91?92 (1969).
4. G. Ya. Lozanovskii, ?On a result of Shimogaki,? Second Zonal Conference of Pedagogical Institutes on Mathematics and Teaching Methods, Dissertations [in Russian] (1970), p. 43.
5. L. V. Kantorovich, B. Z. Vulikh, and A. G. Pinsker, Functional Analysis in Partially Ordered Spaces [in Russian], Moscow (1950).