Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1990__40_1_a9, author = {Do\v{s}l\'y, Ond\v{r}ej}, title = {On the existence of conjugate points for linear differential systems}, journal = {Mathematica slovaca}, pages = {87--99}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1990}, mrnumber = {1094975}, zbl = {0744.34013}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1990__40_1_a9/} }
Došlý, Ondřej. On the existence of conjugate points for linear differential systems. Mathematica slovaca, Tome 40 (1990) no. 1, pp. 87-99. http://geodesic.mathdoc.fr/item/MASLO_1990__40_1_a9/