Quantitezed o (1,2) / o (2)x'Z IND.2' 'SIGMA' model has no continuum limit in four dimensions. I. Theoretical framework - Lyra, Jorge Lacerda de; Dewitt, B; Foong, S K; Gallivan, T E; Harrington, R; Kapulkin, A; Myers, E; Polchinski, J (Physical Review D, 1992)