@article{yeung_2004, 
  title={INTEGRALITY AND ARITHMETICITY OF CO-COMPACT LATTICE CORRESPONDING TO CERTAIN COMPLEX TWO-BALL QUOTIENTS OF PICARD NUMBER ONE}, 
  DOI={10.4310/ajm.2004.v8.n1.a9}, 
  publisher={International Press of Boston}, 
  author={YEUNG}, 
  year={2004}
  }