TY  - JOUR
AU  - Lappan, P.
AU  - Rung, D. C.
TI  - Normal Functions and Non-Tangential Boundary Arcs
JO  - Canadian journal of mathematics
PY  - 1966
SP  - 256
EP  - 264
VL  - 18
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-028-9/
DO  - 10.4153/CJM-1966-028-9
ID  - 10_4153_CJM_1966_028_9
ER  -