2024-03-28T20:33:31Z
https://oai.zbmath.org/v1/
oai:zbmath.org:2515906
0001-01-01T00:00:00
JFM
Kamke, E., Prof. (Tübingen)
Digel, E.
1938
2515906
German
Springer, Berlin/Heidelberg
https://zbmath.org/02515906
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Math. Z. 44, 445-451 (1938).
Über die Bedingungen der Existenz der Integrale partieller Differentialgleichungen erster Ordnung.
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