@article{10_4064_cm_57_1_55_58,
     author = {Arkadiusz Dobrowolski},
     title = {Coverings of stably parallelizable manifolds},
     journal = {Colloquium Mathematicum},
     pages = {55--58},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {1989},
     doi = {10.4064/cm-57-1-55-58},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-57-1-55-58/}
}