@article{MAN_1928__99_159276,
     author = {M.J.O. Strutt},
     title = {Der {Verlauf} der {Grenzkurven} zwischen labilen und stabilen {L\"osungsgebieten} der {Mathieuschen} {Differentialgleichung}},
     journal = {Mathematische Annalen},
     pages = {625--628},
     publisher = {mathdoc},
     volume = {99},
     year = {1928},
     zbl = {54.0469.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1928__99_159276/}
}