GIKHMAN, Il. I. Probabilistic representation of quantum evolutions . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 10, p. 1314–1319, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8226. Acesso em: 11 apr. 2025.