The abstracts (in two languages) can be found in the pdf file of the article.
Original author name(s) and title in Russian and Lithuanian:
Б. В. Кведарас А. В. Кибенко и А. И. Перов. О некоторых краевых задачах
B. V. Kvedaras, A. V. Kibenko ir A. I. Perovas. Apie kai kuriuos kraštinius uždavinius