@article{100652,
author = {Marko \v Svec},
title = {Neskol'ko zamechanii o lineinom differentsial'nom uravnenii tret'ego poriadka},
journal = {Czechoslovak Mathematical Journal},
volume = {15},
year = {1965},
pages = {42-49},
zbl = {0129.06203},
mrnumber = {0171970},
language = {ru},
url = {http://dml.mathdoc.fr/item/100652}
}
Švec, Marko. Несколько замечаний о линейном дифференциальном уравнении третьего порядка. Czechoslovak Mathematical Journal, Tome 15 (1965) pp. 42-49. http://gdmltest.u-ga.fr/item/100652/
Oscillation criteria for third-order linear differential equations, Рас. J. Math. 11 (1961), 919-944. (1961) | MR 0145160 | Zbl 0104.30901
Decomposizione delle espressioni diferenziali lineari omogenee in prodotti di fattori simbolici e applicazione relativa allo studio delle equazioni differenziali lineari, Math. Z. 33 (1931), 186-231. (1931) | Article | MR 1545209