@article{102238, author = {Jarom\'\i r \v Sim\v sa}, title = {Some converse theorems in the asymptotic theory of ordinary differential equations}, journal = {Czechoslovak Mathematical Journal}, volume = {38}, year = {1988}, pages = {425-433}, zbl = {0674.34056}, mrnumber = {950296}, language = {en}, url = {http://dml.mathdoc.fr/item/102238} }
Šimša, Jaromír. Some converse theorems in the asymptotic theory of ordinary differential equations. Czechoslovak Mathematical Journal, Tome 38 (1988) pp. 425-433. http://gdmltest.u-ga.fr/item/102238/
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