@article{10_4064_ba56_2_8,
     author = {Carlos Biasi and Alice K. M. Libardi and Pedro L. Q. Pergher and Stanis/law Spie\.z},
     title = {On the {Extension} of {Certain} {Maps} with {Values} in {Spheres}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {177--182},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2008},
     doi = {10.4064/ba56-2-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba56-2-8/}
}