[1]
2013. On Interrelation of Such Concepts as «Variant», «Invariant», «Variativity» in Slavic Language Study. Philological Studies: Scientific Bulletin of Kryvyi Rih State Pedagogical University. 9, 2 (Dec. 2013), 181–185. DOI:https://doi.org/10.31812/filstd.v9i2.471.