@article{CMUC_1975_16_4_a1,
     author = {Jir\'asko, Josef},
     title = {Generalized injectivity},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {621--636},
     year = {1975},
     volume = {16},
     number = {4},
     mrnumber = {0399165},
     zbl = {0316.16029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1975_16_4_a1/}
}