TY  - JOUR
AU  - J. Perkal
TI  - On the analysis of a set of characteristics
JO  - Applicationes Mathematicae
PY  - 1960
SP  - 35
EP  - 45
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/am-5-1-35-45/
DO  - 10.4064/am-5-1-35-45
LA  - en
ID  - 10_4064_am_5_1_35_45
ER  -