TY - JOUR AU - E. H. Lieb TI - Residual entropy of square ice JO - Matematika PY - 1974 SP - 64 EP - 84 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1974_18_4_a2/ LA - ru ID - MAT_1974_18_4_a2 ER -