@article{107073,
author = {Erich Barv\'\i nek},
title = {Linear differential transformations of the 2nd order as a representation of an abstract model},
journal = {Archivum Mathematicum},
volume = {016},
year = {1980},
pages = {189-198},
zbl = {0465.34005},
mrnumber = {594465},
language = {en},
url = {http://dml.mathdoc.fr/item/107073}
}
Barvínek, Erich. Linear differential transformations of the 2nd order as a representation of an abstract model. Archivum Mathematicum, Tome 016 (1980) pp. 189-198. http://gdmltest.u-ga.fr/item/107073/
Lineare Differentialtransformationen 2. Ordnung, Deutscher Verlag deг Wissenschaften, Berlin 1967. (1967)
Über eine Charakterisierung der allgemeinen Dispersionen linearer Differentialgleichungen 2. Ordnung, Math. Nachr. Bd. 38 (1968), H. 5/6, 261-266. (1968) | MR 0244540
On distribution of zeros of solutions and their derivatives of the equations $y'' = Q(t)y$, (in Czech), Acta F. R. N. Univ. Comen. V, 8-10, Matematica, 1961. (1961)
An abstract model of linear differential transformations, Arch. Math. 2, XI, 1975, 67-77. (1975) | MR 0407381