2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/80175Realizing bosonic field v(x) as current of massless (chiral) fermions we derive hierarchy of quantum polynomial interactions of the field v(x) that are completely integrable and lead to linear evolutions for the fermionic field. It is proved that in the classical limit this hierarchy reduces to the dispersionless KdV hierarchy. Application of our construction to quantization of generic completely integrable interaction is demonstrated by example of the mKdV equation.12 pages, LaTeX, to be published in Theor. Math. Phys., added referenceExactly Solvable and Integrable SystemsHigh Energy Physics - TheoryPattern Formation and Solitonstext