CHISHKO, K. Low-energy excitations in helium-like dimer within an exact diagonalization approach. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 44, n. 10, p. 1393–1403, 2018. DOI: 10.1063/1.5055858. Disponível em: https://fnt.ilt.kharkov.ua/index.php/fnt/article/view/f44-1394e. Acesso em: 21 лис. 2024.