TY  - JOUR
AU  - Clarke, Frank H.
TI  - The Erdmann Condition and Hamiltonian Inclusions in Optimal Control and the Calculus of Variations
JO  - Canadian journal of mathematics
PY  - 1980
SP  - 494
EP  - 509
VL  - 32
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-039-9/
DO  - 10.4153/CJM-1980-039-9
ID  - 10_4153_CJM_1980_039_9
ER  -