New method for the synthesis of oxonium derivatives of closo-borate anions [BnHn]2- - Boyarinova, Elena; Filin, Danila; Yeshtukova-Shcheglova, Elizaveta; Sokolov, Iliya; Medvedev, Artyom; Nichugovskii, Artemiy; Matveev, Evgeniy (Chemical Bulletin of Kazakh National University, 2025)