no. 2
Projective modules and approximation couples
Compositio Mathematica, Tome 74 (1990) no. 2, pp. 165-168 
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     author = {Grover, V. K. and Sankaran, N.},
     title = {Projective modules and approximation couples},
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     pages = {165--168},
     year = {1990},
     publisher = {Kluwer Academic Publishers},
     volume = {74},
     number = {2},
     mrnumber = {1047738},
     zbl = {0717.13006},
     language = {en},
     url = {https://www.numdam.org/item/CM_1990__74_2_165_0/}
}
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Grover, V. K.; Sankaran, N. Projective modules and approximation couples. Compositio Mathematica, Tome 74 (1990) no. 2, pp. 165-168. https://www.numdam.org/item/CM_1990__74_2_165_0/

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