@article{10_4064_ap_6_3_259_264,
     author = {A. Lasota},
     title = {Sur l'effet \'epidermique ext\'erieur et int\'erieur pour les in\'egalit\'es diff\'erentielles ordinaires},
     journal = {Annales Polonici Mathematici},
     pages = {259--264},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {1959},
     doi = {10.4064/ap-6-3-259-264},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-6-3-259-264/}
}