TY  - JOUR
AU  - Essén, M.
TI  - Optimization and α-Disfocality for Ordinary Differential Equations
JO  - Canadian journal of mathematics
PY  - 1985
SP  - 310
EP  - 323
VL  - 37
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1985-019-3/
DO  - 10.4153/CJM-1985-019-3
ID  - 10_4153_CJM_1985_019_3
ER  -