Nonclassical symmetry reductions of nonlinear partial differential equations
1993 ◽
Vol 18
(10)
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pp. 45-68
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1999 ◽
Vol 41
(1)
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pp. 1-40
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1997 ◽
Vol 4
(2)
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pp. 173-195
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2009 ◽
Vol 50
(1)
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pp. 013502
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