@article{10_4153_CJM_1998_018_7,
     author = {Giraldo, Antonio},
     title = {Shape {Fibrations,} {Multivalued} {Maps} and {Shape} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {342--355},
     year = {1998},
     volume = {50},
     number = {2},
     doi = {10.4153/CJM-1998-018-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-018-7/}
}