@article{10_4064_ap_11_1_19_26,
     author = {C. Jankiewicz},
     title = {\"Uber {Erhaltungss\"atze} die aus {Euler-Lagrangeschen} {Gleichung} folgen},
     journal = {Annales Polonici Mathematici},
     pages = {19--26},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1961},
     doi = {10.4064/ap-11-1-19-26},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-11-1-19-26/}
}