@article {9937,
	title = {Ground-state degeneracy of the fractional quantum Hall states in the presence of a random potential and on high-genus Riemann surfaces},
	journal = {Physical Review B},
	year = {1990},
	pages = {9377-9396},
	doi = {10.1103/PhysRevB.41.9377},
	author = {X.G. Wen and Q. Niu}
}
