Geodesic
Semiperfect rings and Nakayama permutations
Glasgow mathematical journal, Tome 44 (2002) no. 2, pp. 301-309

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DOI

We study the conditions which force a semiperfect ring to admit a Nakayama permutation of its basic idempotents. We also give a few necessary and sufficient conditions for a semiperfect ring R, which cogenerates every 2-generated right R-module, to be right pseudo-Frobenius. 
Khurana, Dinesh. Semiperfect rings and Nakayama permutations. Glasgow mathematical journal, Tome 44 (2002) no. 2, pp. 301-309. doi: 10.1017/S0017089502020116
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     title = {Semiperfect rings and {Nakayama} permutations},
     journal = {Glasgow mathematical journal},
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     year = {2002},
     volume = {44},
     number = {2},
     doi = {10.1017/S0017089502020116},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089502020116/}
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