Zimka, Rudolf Disconjugate and non-critical complex differential equation. (Slovak) Zbl 0257.34031 Mat. Čas., Slovensk. Akad. Vied 23, 64-68 (1973). MSC: 34C10 34M99 34A30 PDFBibTeX XMLCite \textit{R. Zimka}, Mat. Čas., Slovensk. Akad. Vied 23, 64--68 (1973; Zbl 0257.34031) Full Text: EuDML
Blasko, Rudolf; Hacik, Milos Linear homogeneous second order differential equations pure disconjugate with regard to the derivative. (Slovak) Zbl 0253.34015 Mat. Čas., Slovensk. Akad. Vied 22, 323-331 (1972). MSC: 34A30 34C10 PDFBibTeX XMLCite \textit{R. Blasko} and \textit{M. Hacik}, Mat. Čas., Slovensk. Akad. Vied 22, 323--331 (1972; Zbl 0253.34015) Full Text: EuDML
Draskovicova, Hilda On a generalization of permutable equivalence relations. (English) Zbl 0252.08001 Mat. Čas., Slovensk. Akad. Vied 22, 297-309 (1972). MSC: 08A05 06B05 03E20 PDFBibTeX XMLCite \textit{H. Draskovicova}, Mat. Čas., Slovensk. Akad. Vied 22, 297--309 (1972; Zbl 0252.08001) Full Text: EuDML
Draškovičová, Hilda Congruence relations on the lattice of partitions in a set. (English) Zbl 0225.06003 Mat. Čas., Slovensk. Akad. Vied 21, 141-153 (1971). MSC: 06B10 PDFBibTeX XMLCite \textit{H. Draškovičová}, Mat. Čas., Slovensk. Akad. Vied 21, 141--153 (1971; Zbl 0225.06003) Full Text: EuDML
Krbil’a, J. On the algebraic structure of a set of the main hyperbolical phases of the differential equations \(y''=q(t)y\) in the interval \((-\infty,\infty)\). (Slovak) Zbl 0211.11101 Mat. Čas., Slovensk. Akad. Vied 20, 195-202 (1970). MSC: 34A99 PDFBibTeX XMLCite \textit{J. Krbil'a}, Mat. Čas., Slovensk. Akad. Vied 20, 195--202 (1970; Zbl 0211.11101)
Moravcik, J. Über die Äquivalenz linearer gewöhnlicher Differentialgleichungen \(n\)-ter Ordnung \((n = 3,4)\). (German) Zbl 0174.39102 Mat. Čas., Slovensk. Akad. Vied 19, 17-43 (1969). PDFBibTeX XMLCite \textit{J. Moravcik}, Mat. Čas., Slovensk. Akad. Vied 19, 17--43 (1969; Zbl 0174.39102) Full Text: EuDML