A generalization of a theorem of Polak
Kasahara, Shouro
Portugaliae mathematica, Tome 26 (1967), p. 385-387 / Harvested from Portugaliae Mathematica
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Publié le : 1967-01-01
EUDML-ID : urn:eudml:doc:115042 
@article{2552,
     author = {Kasahara, Shouro},
     title = {A generalization of a theorem of Polak},
     journal = {Portugaliae mathematica},
     volume = {26},
     year = {1967},
     pages = {385-387},
     zbl = {0191.53202},
     mrnumber = {0256341},
     language = {en},
     url = {http://dml.mathdoc.fr/item/2552}
}

Kasahara, Shouro. A generalization of a theorem of Polak. Portugaliae mathematica, Tome 26 (1967) pp. 385-387. http://gdmltest.u-ga.fr/item/2552/