2024-03-28T19:59:07Z
https://oai.zbmath.org/v1/
oai:zbmath.org:3020731
0001-01-01T00:00:00
Cerf, G.
1936
3020731
French
Elsevier (Elsevier Masson), Paris
https://zbmath.org/03020731
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J. Math. Pures Appl., IX. Sér. 15, 1-10 (1936).
Sur des transformations d'équations aux dérivées partielles du second ordre à \(n\) variables independantes obtenues par une propriété d'invariance du groupe des transformations de contact
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