Rachůnková, Irena Algebraic properties of phases of the differential equation \(y''=q(t)y\). (English) Zbl 0423.34013 Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 17, 69-76 (1978). MSC: 34A25 34A30 34C99 PDF BibTeX XML Cite \textit{I. Rachůnková}, Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 17, 69--76 (1978; Zbl 0423.34013) Full Text: EuDML OpenURL
Veresovich, P. P. Über bewegliche Singularitäten eines Systems dreier Differentialgleichungen. (Russian) Zbl 0411.34010 Differ. Uravn. 14, 2257-2259 (1978). MSC: 34A25 34D05 34M35 PDF BibTeX XML Cite \textit{P. P. Veresovich}, Differ. Uravn. 14, 2257--2259 (1978; Zbl 0411.34010) OpenURL
Stojanov, Iordan Stochastic processes - theory and applications. (Stohasticni procesi - teorija i prilozenie.). (Bulgarian) Zbl 0402.60001 Poredica S’vremenna Matematika. 13. Sofia: Izatelstvo Nauka i Izkustvo. 218 p. Leva 0.96 (1978). MSC: 60-01 60G10 60Jxx 60Hxx PDF BibTeX XML OpenURL
Glazyrin, V. V. Topologische und metrische Struktur von k-Sattelflächen. (Russian) Zbl 0394.53006 Sib. Mat. Zh. 19, 555-563 (1978). MSC: 53A07 53A35 55N99 PDF BibTeX XML Cite \textit{V. V. Glazyrin}, Sib. Mat. Zh. 19, 555--563 (1978; Zbl 0394.53006) OpenURL