@article{RM_1966_21_4_a7,
     author = {V. I. Ponomarev},
     title = {On spaces co-absolute with metric spaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {87--114},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {1966},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1966_21_4_a7/}
}