A. L. Rebenko, “Euclidean Gibbs states for quantum continuous systems via cluster expansion. II. Bose and Fermi statistics”, MFAT, vol. 5, no. 2, pp. 86–100, Jun. 1999, Accessed: Dec. 17, 2025. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/91