2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185635The conformal field theory based on the $g/u(1)^d$ coset construction is treated as the WZNW theory for the affine Lie algebra $\hat g$ with the constrained $\hat u(1)^d$ subalgebra.Using a modification of the generalized canonical quantization method generators and primary fields of an extended symmetry algebra are found for arbitrary d.14 pages,latex,misprints in formulas 26,40,45 corrected,a reference addedHigh Energy Physics - TheoryQuantum Algebratext