@article{120127,
author = {Vladim\'\i r Vl\v cek},
title = {Conjugate points of solutions of an iterated differential equation of the $n$-th order},
journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
volume = {22},
year = {1983},
pages = {115-130},
zbl = {0545.34025},
mrnumber = {744706},
language = {en},
url = {http://dml.mathdoc.fr/item/120127}
}
Vlček, Vladimír. Conjugate points of solutions of an iterated differential equation of the $n$-th order. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 22 (1983) pp. 115-130. http://gdmltest.u-ga.fr/item/120127/
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