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:
Р. Мерките, В.Калинка. К закону образования лингвистических элементов В. Фукса
R. Merkytė, V. Kalinka. Apie V. Fukso dėsnį kalbos elementams tirti