TY  - JOUR
AU  - Rogers, Thomas
TI  - On Nagumo's Condition
JO  - Canadian mathematical bulletin
PY  - 1972
SP  - 609
EP  - 611
VL  - 15
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-109-2/
DO  - 10.4153/CMB-1972-109-2
ID  - 10_4153_CMB_1972_109_2
ER  -