@article{GDZPPN002405709, title = {Tangential Boundary Behavior of Arbitrary Functions.}, journal = {Mathematische Zeitschrift}, volume = {114}, year = {1970}, pages = {113-118}, zbl = {0181.08101}, url = {http://dml.mathdoc.fr/item/GDZPPN002405709} }
Vessey, Theodore A. Tangential Boundary Behavior of Arbitrary Functions.. Mathematische Zeitschrift, Tome 114 (1970) pp. 113-118. http://gdmltest.u-ga.fr/item/GDZPPN002405709/