@article{1250523324,
author = {Gupta, S. K. and Sridharan, R.},
title = {Projective modules, Grothendieck groups and the Jacobson-Cartier operator},
journal = {J. Math. Kyoto Univ.},
volume = {13},
number = {3},
year = {1973},
pages = { 537-556},
language = {en},
url = {http://dml.mathdoc.fr/item/1250523324}
}
Gupta, S. K.; Sridharan, R. Projective modules, Grothendieck groups and the Jacobson-Cartier operator. J. Math. Kyoto Univ., Tome 13 (1973) no. 3, pp. 537-556. http://gdmltest.u-ga.fr/item/1250523324/