Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1967__8_2_a6, author = {Nagy, Jozef}, title = {Lyapunov's direct method in abstract local semi-flows}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {257--266}, publisher = {mathdoc}, volume = {08}, number = {2}, year = {1967}, mrnumber = {0213671}, zbl = {0162.39901}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1967__8_2_a6/} }
Nagy, Jozef. Lyapunov's direct method in abstract local semi-flows. Commentationes Mathematicae Universitatis Carolinae, Tome 08 (1967) no. 2, pp. 257-266. http://geodesic.mathdoc.fr/item/CMUC_1967__8_2_a6/