Mishin, Sergeĭ N. On a class of operator equations in locally convex spaces. (English. Russian original) Zbl 1496.47028 Russ. Math. 62, No. 11, 28-44 (2018); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2018, No. 11, 33-50 (2018). MSC: 47A62 30A05 45E10 PDF BibTeX XML Cite \textit{S. N. Mishin}, Russ. Math. 62, No. 11, 28--44 (2018; Zbl 1496.47028); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2018, No. 11, 33--50 (2018) Full Text: DOI OpenURL
Mishin, Sergeĭ N. Generalization of the Lagrange method to the case of second-order linear differential equations with constant operator coefficients in locally convex spaces. (English. Russian original) Zbl 1394.34116 Math. Notes 103, No. 1, 75-88 (2018); translation from Mat. Zametki 103, No. 1, 75-91 (2018). MSC: 34G10 34A25 34A12 PDF BibTeX XML Cite \textit{S. N. Mishin}, Math. Notes 103, No. 1, 75--88 (2018; Zbl 1394.34116); translation from Mat. Zametki 103, No. 1, 75--91 (2018) Full Text: DOI OpenURL