Geodesic
R -Projective Modules over a Semiperfect Ring
Canadian mathematical bulletin, Tome 24 (1981) no. 3, pp. 365-367

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The aim of this paper is to prove the following theorem:Let R be a semiperfect ring. Let Q be a left R -module satisfying (a) Q is R-projective and (b) J(Q) is small in Q. Then Q is projective. 
Ketkar, R. D.; Vanaja, N. R -Projective Modules over a Semiperfect Ring. Canadian mathematical bulletin, Tome 24 (1981) no. 3, pp. 365-367. doi: 10.4153/CMB-1981-055-x
@article{10_4153_CMB_1981_055_x,
     author = {Ketkar, R. D. and Vanaja, N.},
     title = {R {-Projective} {Modules} over a {Semiperfect} {Ring}},
     journal = {Canadian mathematical bulletin},
     pages = {365--367},
     year = {1981},
     volume = {24},
     number = {3},
     doi = {10.4153/CMB-1981-055-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-055-x/}
}
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