@article{10_4064_ap_29_4_391_396,
     author = {A. Lasota},
     title = {On two-point boundary value problems for systems of ordinary non-linear, first-order differential equations},
     journal = {Annales Polonici Mathematici},
     pages = {391--396},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1974},
     doi = {10.4064/ap-29-4-391-396},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-29-4-391-396/}
}