{"name":"L. O. Vretik","orcid":"0000-0003-3456-7518","affiliation":"Taras Shevchenko National University of Kyiv","id":1233246,"datarank":0.0,"percentile_rank":0.0,"paper_count":0,"h_index":null,"cited_by_count":null,"works_count":null,"i10_index":null,"openalex_id":null,"last_known_institutions":[],"top_fields":[]}