@article{10_4064_cm_32_2_277_284,
     author = {A. Szybiak},
     title = {A model of hyperbolic stereometry based on the algebra of quaternions},
     journal = {Colloquium Mathematicum},
     pages = {277--284},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1974},
     doi = {10.4064/cm-32-2-277-284},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-32-2-277-284/}
}