Svitra, Donatas Investigation for Hutchinson’s equation. (Russian) Zbl 0402.34063 Differ. Uravn. Primen. 20, 25-32 (1978). MSC: 34K99 65Q05 92D40 92D25 PDFBibTeX XMLCite \textit{D. Svitra}, Differ. Uravn. Primen. 20, 25--32 (1978; Zbl 0402.34063)
Macionis, Jonas On the regularity of boundary conditions. (Russian) Zbl 0402.34012 Differ. Uravn. Primen. 20, 17-23 (1978). MSC: 34B05 34G99 PDFBibTeX XMLCite \textit{J. Macionis}, Differ. Uravn. Primen. 20, 17--23 (1978; Zbl 0402.34012)
Kambulov, Viktor; Sirsikov, Eugeni The controllable autogenerator with the hybrid RC-structure in the chain of feedback. (Russian) Zbl 0398.93026 Differ. Uravn. Primen. 20, 9-15 (1978). MSC: 93C20 93D99 PDFBibTeX XMLCite \textit{V. Kambulov} and \textit{E. Sirsikov}, Differ. Uravn. Primen. 20, 9--15 (1978; Zbl 0398.93026)
Janusauskas, Al’gimantas Linear theory of oscillations of unbounded layers of a compressible fluid of finite depth caused by weak movement of the bottom. (Russian) Zbl 0396.76049 Differ. Uravn. Primen. 20, 33-52 (1978). MSC: 76N10 34-XX PDFBibTeX XMLCite \textit{A. Janusauskas}, Differ. Uravn. Primen. 20, 33--52 (1978; Zbl 0396.76049)