@article{10_4064_sm196_2_4,
     author = {Esteban Andruchow and Gabriel Larotonda},
     title = {The rectifiable distance in the unitary {Fredholm} group},
     journal = {Studia Mathematica},
     pages = {151--178},
     year = {2010},
     volume = {196},
     number = {2},
     doi = {10.4064/sm196-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm196-2-4/}
}