@article{RM_1980_35_3_a35,
     author = {V. I. Meliya},
     title = {On maps of non-closed sets into spheres},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {256--259},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1980_35_3_a35/}
}