@article{120317, author = {Miroslav Laitoch}, title = {First phases of the associated equation with parameters for the differential equation $y''=q(t)y$}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {33}, year = {1994}, pages = {75-93}, zbl = {0852.34014}, mrnumber = {1385748}, language = {en}, url = {http://dml.mathdoc.fr/item/120317} }
Laitoch, Miroslav. First phases of the associated equation with parameters for the differential equation $y''=q(t)y$. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 33 (1994) pp. 75-93. http://gdmltest.u-ga.fr/item/120317/
Lineare Differentialtransformationen 2. Ordnung, VEB DVW, Berlin 1967. (1967)
L’équation associée dans la théorie des transformation differentielles du second ordre, Acta UP Olomucensis, Fac. rer. nat., T. 12, 1963, 45-62. (1963) | MR 0276527
Homogene lineare zu sich selbst begleitende Differentialgleichung zweiter Ordnung, Acta UP Olomucensis, Fac. rer. nat., T. 33, 1971, 61-72. (1971) | MR 0320410 | Zbl 0298.34006
On a coincidence of the differential equation y" - q(t)y = r(t) with its associated equation, Acta UP Olomucensis, Fac. rer. nat., T. 91, Math. 27 (1988), 251-262. (1988) | MR 1039893
Nӗkteré vlastnosti druhé zobecnӗné fáze diferenciální rovnice 2. řádu Jacobiho typu, Acta facultas pedagogicae Ostraviensis, 101 (1986), Series A-21, 65-83. (1986) | MR 0886227