@article{10_21136_CMJ_1988_102238,
     author = {\v{S}im\v{s}a, Jarom{\'\i}r},
     title = {Some converse theorems in the asymptotic theory of ordinary differential equations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {425--433},
     year = {1988},
     volume = {38},
     number = {3},
     doi = {10.21136/CMJ.1988.102238},
     mrnumber = {950296},
     zbl = {0674.34056},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102238/}
}