Ú. I. Žuravlév. Ob otdélimosti podmnožéstv vérših n-mérnogo édiničnogo kuba. Doklady Akadémii Nauk SSSR, vol. 113 (1957), pp. 264–267. - Iu. I. Zhuravlev. On the separability of subsets of the vertices of an n-dimensional unit cube. English translation of the preceding. Multilith-offset. Morris D. Friedman, Inc., Needham Heights, Mass., c. 1958, 6 pp.
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