Thang, Nguyen Toan, and Pham Thi Thanh Nga. “Supersolids of Hard Core - Bosons on a Triangular Lattice”. Communications in Physics 21, no. 4 (December 30, 2011): 301. Accessed May 6, 2024. https://vjs.ac.vn/index.php/cip/article/view/361.