PHAT, Tran Huu; THU, Nguyen Van. Phase structure of linear sigma model with neutrality constraint (II). <b>Communications in Physics</b>, <i>[S. l.]</i>, v. 22, n. 2, p. 103, 2012. DOI: 10.15625/0868-3166/22/2/1376. Disponível em: https://vjs.ac.vn/cip/article/view/1376. Acesso em: 2 jan. 2026.