@article{120123,
author = {Vladim\'\i r Vl\v cek},
title = {The first conjugate point of solution of the $N$-th order iterated differential equation},
journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
volume = {21},
year = {1982},
pages = {87-112},
zbl = {0522.34029},
mrnumber = {0702611},
language = {en},
url = {http://dml.mathdoc.fr/item/120123}
}
Vlček, Vladimír. The first conjugate point of solution of the $N$-th order iterated differential equation. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 21 (1982) pp. 87-112. http://gdmltest.u-ga.fr/item/120123/
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