@article{JRAM_1860__57_147771,
     author = {H. Helmholtz},
     title = {Theorie der {Luftschwingungen} in {R\"ohren} mit offenen {Enden.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1},
     publisher = {mathdoc},
     volume = {57},
     year = {1860},
     language = {de},
     url = {https://geodesic-test.mathdoc.fr/item/JRAM_1860__57_147771/}
}