TY - GEN TI - The quantized O(1,2)/O(2) x Z2 sigma model has no continuum limit in four dimensions. I. Theoretical framework SN - 0556-2821 PY - 1992/// PB - Physical review. D, Particles and fields N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/physrevd.46.2527 ER -