Analysis of information sources in references of the Wikipedia article "East Slavic languages" in English language version.
...following Vuk's reform of Cyrillic in the early nineteenth century, Ljudevit Gaj in the 1830s performed the same operation on Latinica, using the Czech system and producing a one-to-one symbol correlation between Cyrillic and Latinica as applied to the Serbian and Croatian parallel systems
...following Vuk's reform of Cyrillic in the early nineteenth century, Ljudevit Gaj in the 1830s performed the same operation on Latinica, using the Czech system and producing a one-to-one symbol correlation between Cyrillic and Latinica as applied to the Serbian and Croatian parallel systems
