G. P. Gavrilov, “On the cardinality of sets of closed classes of finite height in <nobr>$P_{\aleph_0}$</nobr>”, Dokl. Akad. Nauk SSSR, 1964, Volume 158, Number 3,Pages <nobr>503

JOURNALS // Doklady Akademii Nauk // Archive

Dokl. Akad. Nauk SSSR, 1964 Volume 158, Number 3, Pages 503–506 (Mi dan30119)

MATHEMATICS

On the cardinality of sets of closed classes of finite height in $P_{\aleph_0}$

G. P. Gavrilov

Moscow Power Engineering Institute in Smolensk

Presented: P. S. Novikov
Received: 11.04.1964

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