@article{120187, author = {Eva Tesa\v r\'\i kov\'a}, title = {To the theory of central dispersions for the linear differential equations $y''=q(t)y$ of a finite type-special}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {26}, year = {1987}, pages = {95-130}, zbl = {0708.34011}, mrnumber = {1033333}, language = {en}, url = {http://dml.mathdoc.fr/item/120187} }
Tesaříková, Eva. To the theory of central dispersions for the linear differential equations $y''=q(t)y$ of a finite type-special. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 26 (1987) pp. 95-130. http://gdmltest.u-ga.fr/item/120187/
Lineare Differentialtransformationen 2.Ordnung, VEB OVW, Berlin 1967. (1967)
To the theory of linear difference equations, Acta Univ. Palackianae Olomucensis (Olomouc), Fac. Rer. Nat. 79 (1984). (1984) | MR 0837025 | Zbl 0586.39002