@article{10_1007_s10587_012_0008_7,
     author = {Mejstrik, Thomas},
     title = {Some remarks on {Nagumo's} theorem},
     journal = {Czechoslovak Mathematical Journal},
     pages = {235--242},
     publisher = {mathdoc},
     volume = {62},
     number = {1},
     year = {2012},
     doi = {10.1007/s10587-012-0008-7},
     mrnumber = {2899747},
     zbl = {1249.34021},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0008-7/}
}