@article{10_4064_fm_71_1_63_76, author = {M. Gagrat and S. Naimpally}, title = {Proximity approach to extension problems}, journal = {Fundamenta Mathematicae}, pages = {63--76}, publisher = {mathdoc}, volume = {71}, number = {1}, year = {1971}, doi = {10.4064/fm-71-1-63-76}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-71-1-63-76/} }