On classification of second-order PDEs possessing partner symmetries (Q3650417)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On classification of second-order PDEs possessing partner symmetries |
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On classification of second-order PDEs possessing partner symmetries (English)
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14 December 2009
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four variables
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heavenly equations of Plebañski
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point and contact symmetries
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Ricci-flat self-dual metrics
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