On the focal points of solutions of a certain fourth order differential equation Vladimír Vlček (1986) Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica Similarity:
On transformations of bundles of solutions of a fourth order iterated linear differential equation Vladimír Vlček (1980) Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika Similarity:
On a distribution of zeros of solutions of an iterated differential equation of the n -th order Vladimír Vlček (1984) Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica Similarity: