Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_2002__52_1_a3, author = {Parhi, N. and Panigrahi, S.}, title = {Lyapunov-type inequality for higher-order differential equations}, journal = {Mathematica slovaca}, pages = {31--46}, publisher = {mathdoc}, volume = {52}, number = {1}, year = {2002}, mrnumber = {1901012}, zbl = {1019.34039}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_2002__52_1_a3/} }
Parhi, N.; Panigrahi, S. Lyapunov-type inequality for higher-order differential equations. Mathematica slovaca, Tome 52 (2002) no. 1, pp. 31-46. http://geodesic.mathdoc.fr/item/MASLO_2002__52_1_a3/