PistolenkoI.О. 2018. Оlena Giberman (Kareyeva), Nina Shargey and their impact on changes in Yu.V. Kondratyuk’s (O.G. Sharhey’s) biography:based on analysis of archival documents. History of science and technology. 7, 11 (Feb. 2018), 59-70. DOI:https://doi.org/10.32703/2415-7422-2017-7-11-59-70.