TY - RPRT TI - Topological quantum theories and integrable models. AU - E Keski-Vakkuri AU - AJ Niemi AU - G Semenoff AU - O Tirkkonen PY - 1991 DO - 10.1103/physrevd.44.3899 UR - https://pubmed.ncbi.nlm.nih.gov/10013863/ ID - 10013863 ER -