Ulteriori ricerche sull'equazione \(y{\partial ^2 z \over \partial x^2}+ {\partial ^2 z \over \partial y^2}=0\).
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Publication:1441530
DOI10.1007/BF03016611zbMath54.0503.03MaRDI QIDQ1441530
Publication date: 1928
Published in: Rendiconti del Circolo Matematico di Palermo (Search for Journal in Brave)
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