Geodesic
Approximate solution of matrix~$N\times N$ models at large~$N$
Teoretičeskaâ i matematičeskaâ fizika, Tome 57 (1983) no. 1, pp. 4-11

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A method of approximate solution of matrix $N\times N$ models at large $N$ is proposed and used to obtain explicit solutions for matrix $\varphi^4$ models. In the zero- and onedimensional cases, the results agree with those obtained by Brezin et al. [1]. 
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     author = {A. A. Slavnov},
     title = {Approximate solution of matrix~$N\times N$ models at large~$N$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {4--11},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1983_57_1_a0/}
}
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A. A. Slavnov. Approximate solution of matrix~$N\times N$ models at large~$N$. Teoretičeskaâ i matematičeskaâ fizika, Tome 57 (1983) no. 1, pp. 4-11. http://geodesic.mathdoc.fr/item/TMF_1983_57_1_a0/