Projective integral invariants attached to the trajectories of differential systems.
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Publication:573183
DOI10.1090/S0002-9904-1931-05186-7zbMath57.0497.04OpenAlexW1974523799MaRDI QIDQ573183
Publication date: 1931
Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1090/s0002-9904-1931-05186-7
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