1
by Ivanov, A. A.
published 2018
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2
by Ivanov, A. A.
published 2009
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3
by Ivanov, A. A.
published 2002
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4
by Ivanov, A. A.
published 1999
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6
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9
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13
by Ivanov, A. S.
Published in Differential Equations (2018)
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16
by Ivanov, A. S.
Published in Mathematical Notes (2017)
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17
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