@article{10_4064_cm_45_2_245_250,
     author = {Nguyen Van Khue and Nguyen To Nhu},
     title = {Lipschitz extensions and {Lipschitz} retractions in metric spaces},
     journal = {Colloquium Mathematicum},
     pages = {245--250},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1981},
     doi = {10.4064/cm-45-2-245-250},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-45-2-245-250/}
}