@article{MAN_1899__51_157929,
     author = {G.H. Darwin},
     title = {Periodic orbits. {With} a plate of figures .},
     journal = {Mathematische Annalen},
     pages = {523--583},
     publisher = {mathdoc},
     volume = {51},
     year = {1899},
     zbl = {29.0803.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1899__51_157929/}
}