Kozak, P. P.; Chabanyuk, Ya. M. Representation of the solution of an infinite system of integral equations in the form of a Wiener integral. (Russian) Zbl 0508.45005 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1982, No. 7, 15-18 (1982). MSC: 45F05 34A30 35L55 PDF BibTeX XML Cite \textit{P. P. Kozak} and \textit{Ya. M. Chabanyuk}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1982, No. 7, 15--18 (1982; Zbl 0508.45005)
Kozak, P. P. Representation of the solution to a characteristic problem for a system of nonlinear higher-order differential equations as a Wiener integral. (English. Russian original) Zbl 0477.45004 Ukr. Math. J. 31, 8-15 (1979); translation from Ukr. Mat. Zh. 31, 13-22 (1979). MSC: 45G10 34A25 34A34 PDF BibTeX XML Cite \textit{P. P. Kozak}, Ukr. Math. J. 31, 8--15 (1979; Zbl 0477.45004); translation from Ukr. Mat. Zh. 31, 13--22 (1979) Full Text: DOI
Kozak, P. P. On representation of the solution of Cauchy’s problem for a system of ordinary nonlinear differential equations of higher orders in a form of a continual integral. (Ukrainian) Zbl 0324.34004 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1976, 195-200 (1976). MSC: 34A12 34A25 PDF BibTeX XML Cite \textit{P. P. Kozak}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1976, 195--200 (1976; Zbl 0324.34004)
Kozak, P. P. On a representation of the solution of the characteristic problem for a linear equation in the form of a continual integral. (English. Russian original) Zbl 0304.35066 Ukr. Math. J. 26, 69-73 (1974); translation from Ukr. Mat. Zh. 26, 84-90 (1974). MSC: 35L35 34A30 28C20 45E10 PDF BibTeX XML Cite \textit{P. P. Kozak}, Ukr. Math. J. 26, 69--73 (1974; Zbl 0304.35066); translation from Ukr. Mat. Zh. 26, 84--90 (1974) Full Text: DOI
Kozak, P. P. Über die Darstellung der Lösung einer nichtlinearen Differentialgleichung als kontinuierliches Integral. (Ukrainian) Zbl 0259.34003 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1972, 608-612 (1972). MSC: 34A05 PDF BibTeX XML Cite \textit{P. P. Kozak}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1972, 608--612 (1972; Zbl 0259.34003)
Kozak, P. P. Einige Verbindungen von Differentialgleichungen mit kontinuierlichem Integral. (Ukrainian) Zbl 0252.34009 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1972, 978-982 (1972). MSC: 34A25 35C10 PDF BibTeX XML Cite \textit{P. P. Kozak}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1972, 978--982 (1972; Zbl 0252.34009)
Kozak, P. P. Representation of the solution of a linear differential equation in the form of a continual integral. (Ukrainian) Zbl 0235.34001 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1971, 780-784 (1971). MSC: 34A05 PDF BibTeX XML Cite \textit{P. P. Kozak}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1971, 780--784 (1971; Zbl 0235.34001)