Geodesic
Multi-valued contraction mappings in metric spaces. (Short Communication).
Aequationes mathematicae, Tome 16 (1977), pp. 188-189.

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@article{AM2_1977__16_136690,
     author = {Stefan Czerwik},
     title = {Multi-valued contraction mappings in metric spaces. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {188--189},
     publisher = {mathdoc},
     volume = {16},
     year = {1977},
     zbl = {0385.54027},
     url = {http://geodesic.mathdoc.fr/item/AM2_1977__16_136690/}
}
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%0 Journal Article
%A Stefan Czerwik
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%D 1977
%P 188-189
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%I mathdoc
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%F AM2_1977__16_136690
Stefan Czerwik. Multi-valued contraction mappings in metric spaces. (Short Communication).. Aequationes mathematicae, Tome 16 (1977), pp. 188-189. http://geodesic.mathdoc.fr/item/AM2_1977__16_136690/