On level sets of approximate derivative and approximate symmetric derivative
H. H. Pu ; H. W. Pu
Colloquium Mathematicae, Tome 51 (1987), p. 139-142 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1987-01-01
EUDML-ID : urn:eudml:doc:266237 
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     author = {H. H. Pu and H. W. Pu},
     title = {On level sets of approximate derivative and approximate symmetric derivative},
     journal = {Colloquium Mathematicae},
     volume = {51},
     year = {1987},
     pages = {139-142},
     zbl = {0641.26007},
     language = {en},
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H. H. Pu; H. W. Pu. On level sets of approximate derivative and approximate symmetric derivative. Colloquium Mathematicae, Tome 51 (1987) pp. 139-142. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-ce157228-81d8-4891-8e84-ff7212ef54ea/