@article{ERAAMS_2001_07_a5,
     author = {Balaji, V. and Biswas, I. and Nagaraj, D.},
     title = {Principal bundles with parabolic structure},
     journal = {Electronic research announcements of the American Mathematical Society},
     pages = {37--44},
     publisher = {mathdoc},
     volume = {07},
     year = {2001},
     doi = {10.1090/S1079-6762-01-00092-0},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-01-00092-0/}
}