SKOROSPEŠKINA, N. D. Mathematical psychology in the beginning of 19th century (J. F. Herbartas). Psichologija, [S. l.], v. 12, p. 177–193, 1972. DOI: 10.15388/Psichol.1972.12.9276. Disponível em: https://www.journals.vu.lt/psichologija/article/view/9276.. Acesso em: 7 may. 2024.