Source: https://www.researchgate.net/profile/Izabella_Thomas/publication/263062177_Les_langues_slaves_et_le_francais_de_la_divergence_formelle_a_la_convergence_semantique/links/587f298008ae9275d4ebaf25/Les-langues-slaves-et-le-francais-de-la-divergence-formelle-a-la-convergence-semantique.pdf