@article{AUM_2015_69_1_a5,
     author = {Narang, T. W. and Gupta, Sahil},
     title = {Proximinality and co-proximinality in metric linear spaces},
     journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica },
     publisher = {mathdoc},
     volume = {69},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUM_2015_69_1_a5/}
}