@article{702185,
title = {On various properties of the solutions of third- and fourth-order linear differential equations},
booktitle = {Differential Equations and Their Applications},
series = {GDML\_Books},
publisher = {Publishing House of the Czechoslovak Academy of Sciences},
address = {Prague},
year = {1963},
pages = {187-198},
mrnumber = {MR0174825},
zbl = {0128.31103},
url = {http://dml.mathdoc.fr/item/702185}
}
Švec, M. On various properties of the solutions of third- and fourth-order linear differential equations, dans Differential Equations and Their Applications, GDML_Books, (1963), pp. 187-198. http://gdmltest.u-ga.fr/item/702185/