Geodesic
Effective chiral Lagrangian from $SU(\infty)$ quantum chromodynamics
Teoretičeskaâ i matematičeskaâ fizika, Tome 65 (1985) no. 2, pp. 192-201

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A nonlinear chiral Lagrangian, which includes an anomalous Wess–Zumino interaction and a mass term describing splitting of the singlet and the nonsinglet meson, is obtained as the low-energy approximation of QCD at large $N$. This is achieved by making, in the functional integral, a change of variables that determines the degrees of freedom responsible for the breaking of the chiral symmetry and corresponding to pseudosealar mesons. 
@article{TMF_1985_65_2_a3,
     author = {N. I. Karchev and A. A. Slavnov},
     title = {Effective chiral {Lagrangian} from $SU(\infty)$ quantum chromodynamics},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {192--201},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1985_65_2_a3/}
}
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N. I. Karchev; A. A. Slavnov. Effective chiral Lagrangian from $SU(\infty)$ quantum chromodynamics. Teoretičeskaâ i matematičeskaâ fizika, Tome 65 (1985) no. 2, pp. 192-201. http://geodesic.mathdoc.fr/item/TMF_1985_65_2_a3/