TY - RPRT TI - Computation of the Ising partition function for two-dimensional square grids. AU - Roland Häggkvist AU - Anders Rosengren AU - Daniel Andrén AU - Petras Kundrotas AU - Per Håkan Lundow AU - Klas Markström PY - 2004 DO - 10.1103/physreve.69.046104 UR - https://pubmed.ncbi.nlm.nih.gov/15169066/ ID - 15169066 ER -