Submitted on: 27 November 2001.
Revised on: 08 December 2001.
Accepted on: 27 December 2001.
Ukrainian Mathematical Journal
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Submitted on: 04 March 2000.
Revised on: 05 April 2000.
Accepted on: 26 April 2000.
Ukrainian Mathematical Journal
Submitted on: 21 December 2013.
Revised on: 30 December 2013.
Accepted on: 23 January 2014.
Ukrainian Mathematical Journal
Submitted on: 10 November 2013.
Revised on: 06 December 2013.
Accepted on: 30 December 2013.
Ukrainian Mathematical Journal
Submitted on: 30 November 2021.
Revised on: 02 January 2022.
Accepted on: 18 January 2022.
Ukrainian Mathematical Journal
Submitted on: 13 December 2000.
Revised on: 29 December 2000.
Accepted on: 16 January 2001.
Ukrainian Mathematical Journal
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