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@article{10_4064_fm_126_1_83_92, author = {Helga Schirmer}, title = {A minimum theorem for n-valued multifunctions}, journal = {Fundamenta Mathematicae}, pages = {83--92}, publisher = {mathdoc}, volume = {126}, number = {1}, year = {1985}, doi = {10.4064/fm-126-1-83-92}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-126-1-83-92/} }
Helga Schirmer. A minimum theorem for n-valued multifunctions. Fundamenta Mathematicae, Tome 126 (1985) no. 1, pp. 83-92. doi : 10.4064/fm-126-1-83-92. http://geodesic.mathdoc.fr/articles/10.4064/fm-126-1-83-92/
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