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Existence and construction of quadratic invariants for the equation d2dξ2ν = λ(ξ)ddξν + f(ξ,ν)
H. AiraultVolume:
21
Year:
1986
Language:
english
Pages:
7
DOI:
10.1016/0020-7462(86)90003-x
File:
PDF, 491 KB
english, 1986