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Author: Lehel, Jenö

• Hajnal, A.; Voigt, Bernd; Lehel, Jenö; Gavalec, Martin; Recski, András; Galvin, Fred: Problems. (English). In: Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1981. pp. 195-202