@article{JRAM_1995__466_153752,
     author = {J.C. Hurtubise and R.J. Milgram},
     title = {The {Atiyah-Jones} conjecture for ruled surfaces.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {111--144},
     publisher = {mathdoc},
     volume = {466},
     year = {1995},
     zbl = {0827.58009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1995__466_153752/}
}