@article{10_4064_ap85_3_3,
     author = {Nguyen Doan Tuan and Pham Viet Duc},
     title = {Remarks on the relative intrinsic pseudo-distance
 and hyperbolic imbeddability},
     journal = {Annales Polonici Mathematici},
     pages = {227--232},
     publisher = {mathdoc},
     volume = {85},
     number = {3},
     year = {2005},
     doi = {10.4064/ap85-3-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap85-3-3/}
}