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Author: Grzegorek, E.

• Grzegorek, E.: On extensions of $\sigma$-fields of sets. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 34 (1993), issue 2, pp. 47-49
• Grzegorek, E.: Hereditary measurable sets and universal measure. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 33 (1992), issue 2, pp. 45-47
• Grzegorek, E.: Always of the first category sets (II). (English). In: Frolík, Z., Souček, V. and Vinárek, J. (eds.): Proceedings of the 13th Winter School on Abstract Analysis. Section of Analysis. Circolo Matematico di Palermo, Palermo, 1985. pp. [43]-48
• Grzegorek, E.: Always of the first category sets. (English). In: Frolík, Z. (ed.): Proceedings of the 12th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1984. pp. [139]-147
• Grzegorek, E.: On universal null and universally measurable sets, II. (English). In: Frolík, Z. (ed.): Abstracta. 8th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1980. pp. 94-95
• Grzegorek, E.: On sets always of the first category. (English). In: Frolík, Z. (ed.): Abstracta. 7th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1979. pp. 20-24
• Grzegorek, E.: On Ulam's problem on families of measures. (English). In: Frolík, Z. (ed.): Abstracta. 6th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1978. pp. 45-48
• Grzegorek, E.: A remark on a paper by Karel Prikry. (English). In: Frolík, Z. (ed.): Abstracta. 5th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1977. pp. 23-25
• Grzegorek, E.: Remarks on $\sigma $-fields without continuous measure. (English). In: Frolík, Z. (ed.): Abstracta. 5th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1977. pp. 27