Sahaydak HD, Filimonova NB, Zyma IH. Electrical activity of the human brain during testing mathematical intelligence for subtest "arithmetic operations" of Amthauer test. BCUB [Internet]. 2016 Jan. 22 [cited 2026 May 16];352(19). Available from: https://bio-ejournal.cdu.edu.ua/article/view/132