@article{106188, author = {David Preiss and Lud\v ek Zaj\'\i \v cek}, title = {On the symmetry of approximate Dini derivates of arbitrary functions}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {023}, year = {1982}, pages = {691-697}, zbl = {0513.26004}, mrnumber = {687564}, language = {en}, url = {http://dml.mathdoc.fr/item/106188} }
Preiss, David; Zajíček, Luděk. On the symmetry of approximate Dini derivates of arbitrary functions. Commentationes Mathematicae Universitatis Carolinae, Tome 023 (1982) pp. 691-697. http://gdmltest.u-ga.fr/item/106188/
Analogues of the Denrjoy-Young-Saks theorem, preprint. | MR 0648091
On the symmetry of Dini derivates of arbitrary functions, Comment. Math. Univ. Carolinae 22 (1981), 195-209. (1981) | MR 0609947
On approximate Dini derivates and one-sided approximate derivatives, Comment. Math. Univ. Carolinae 22 (1981), 549-560. (1981) | MR 0633582
On cluster sets of arbitrary functions, Fund. Math. 83 (1974), 197-217. (1974) | MR 0338294