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Helmholtz conditions and symmetries for the time dependent case of the inverse problem of the calculus of variations |
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| Authors: | Ioan Bucataru Oana Constantinescu |
| Institution: | “Al.I.Cuza” University of Iasi, Faculty of Mathematics, 700506 Iasi, Romania |
| Abstract: | |
| Keywords: | 58E30 34A26 70H03 49N45 |
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