@article{MAN_1959__137_160667,
     author = {S. Abian and A.B. BROWN},
     title = {On the {Solution} of {Simultaneous} {First} {Order} {Implicit} {Differential} {Equations.}},
     journal = {Mathematische Annalen},
     pages = {9--16},
     publisher = {mathdoc},
     volume = {137},
     year = {1959},
     zbl = {0088.29201},
     url = {http://geodesic.mathdoc.fr/item/MAN_1959__137_160667/}
}