@article{10_4064_fm_71_2_127_130,
     author = {J. Wilker},
     title = {Lipschitz pairs of metric subspaces},
     journal = {Fundamenta Mathematicae},
     pages = {127--130},
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {1971},
     doi = {10.4064/fm-71-2-127-130},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-71-2-127-130/}
}